Finding the Fourth Proportional to 99,804,021,889.34, 137,777,042,653.38 and 66,863,828,480.00

Step by Step Solution

1. Step 1: Write the proportion equation
   99,804,021,889.34 : 137,777,042,653.38 = 66,863,828,480.00 : x
2. Step 2: Convert to fraction form
   99,804,021,889.34/137,777,042,653.38 = 66,863,828,480.00/x
3. Step 3: Cross multiply
   99,804,021,889.34x = 137,777,042,653.38 × 66,863,828,480.00
4. Step 4: Simplify right side
   99,804,021,889.34x = 9,212,300,548,456,556,003,328
5. Step 5: Solve for x
   x = 9,212,300,548,456,556,003,328/99,804,021,889.34
6. Step 6: Final answer
   x = 92,303,900,925.67