Finding the Fourth Proportional to 102,929, 142,042.02 and 55,825

Step by Step Solution

1. Step 1: Write the proportion equation
   102,929 : 142,042.02 = 55,825 : x
2. Step 2: Convert to fraction form
   102,929/142,042.02 = 55,825/x
3. Step 3: Cross multiply
   102,929x = 142,042.02 × 55,825
4. Step 4: Simplify right side
   102,929x = 7,929,495,766.50
5. Step 5: Solve for x
   x = 7,929,495,766.50/102,929
6. Step 6: Final answer
   x = 77,038.50