Finding the Fourth Proportional to 139,964,708.49, 210,040,707.78 and 58,083,584.01

Step by Step Solution

1. Step 1: Write the proportion equation
   139,964,708.49 : 210,040,707.78 = 58,083,584.01 : x
2. Step 2: Convert to fraction form
   139,964,708.49/210,040,707.78 = 58,083,584.01/x
3. Step 3: Cross multiply
   139,964,708.49x = 210,040,707.78 × 58,083,584.01
4. Step 4: Simplify right side
   139,964,708.49x = 12,199,917,095,859,490
5. Step 5: Solve for x
   x = 12,199,917,095,859,490/139,964,708.49
6. Step 6: Final answer
   x = 87,164,237.52