Finding the Fourth Proportional to 152,042,695.52, 209,992,129.83 and 103,065,092.96

Step by Step Solution

1. Step 1: Write the proportion equation
   152,042,695.52 : 209,992,129.83 = 103,065,092.96 : x
2. Step 2: Convert to fraction form
   152,042,695.52/209,992,129.83 = 103,065,092.96/x
3. Step 3: Cross multiply
   152,042,695.52x = 209,992,129.83 × 103,065,092.96
4. Step 4: Simplify right side
   152,042,695.52x = 21,642,858,380,747,380
5. Step 5: Solve for x
   x = 21,642,858,380,747,380/152,042,695.52
6. Step 6: Final answer
   x = 142,347,242.05