Finding the Fourth Proportional to 74,298.98, 102,534.72 and 42,472.10

Step by Step Solution

1. Step 1: Write the proportion equation
   74,298.98 : 102,534.72 = 42,472.10 : x
2. Step 2: Convert to fraction form
   74,298.98/102,534.72 = 42,472.10/x
3. Step 3: Cross multiply
   74,298.98x = 102,534.72 × 42,472.10
4. Step 4: Simplify right side
   74,298.98x = 4,354,864,881.31
5. Step 5: Solve for x
   x = 4,354,864,881.31/74,298.98
6. Step 6: Final answer
   x = 58,612.71