Finding the Fourth Proportional to 22,453,295,772.87, 30,985,548,777.71 and 12,428,790,620.00

Step by Step Solution

1. Step 1: Write the proportion equation
   22,453,295,772.87 : 30,985,548,777.71 = 12,428,790,620.00 : x
2. Step 2: Convert to fraction form
   22,453,295,772.87/30,985,548,777.71 = 12,428,790,620.00/x
3. Step 3: Cross multiply
   22,453,295,772.87x = 30,985,548,777.71 × 12,428,790,620.00
4. Step 4: Simplify right side
   22,453,295,772.87x = 385,112,898,003,737,509,888
5. Step 5: Solve for x
   x = 385,112,898,003,737,509,888/22,453,295,772.87
6. Step 6: Final answer
   x = 17,151,731,393.89