Finding the Fourth Proportional to 601,695,822.78, 830,034,644.94 and 392,974,141.50

Step by Step Solution

1. Step 1: Write the proportion equation
   601,695,822.78 : 830,034,644.94 = 392,974,141.50 : x
2. Step 2: Convert to fraction form
   601,695,822.78/830,034,644.94 = 392,974,141.50/x
3. Step 3: Cross multiply
   601,695,822.78x = 830,034,644.94 × 392,974,141.50
4. Step 4: Simplify right side
   601,695,822.78x = 326,182,152,010,553,856
5. Step 5: Solve for x
   x = 326,182,152,010,553,856/601,695,822.78
6. Step 6: Final answer
   x = 542,104,730.76