Finding the Fourth Proportional to 74,196.34, 102,388.71 and 42,359.02

Step by Step Solution

1. Step 1: Write the proportion equation
   74,196.34 : 102,388.71 = 42,359.02 : x
2. Step 2: Convert to fraction form
   74,196.34/102,388.71 = 42,359.02/x
3. Step 3: Cross multiply
   74,196.34x = 102,388.71 × 42,359.02
4. Step 4: Simplify right side
   74,196.34x = 4,337,085,414.66
5. Step 5: Solve for x
   x = 4,337,085,414.66/74,196.34
6. Step 6: Final answer
   x = 58,454.17