Finding the Fourth Proportional to 74,141.94, 102,316.53 and 42,310.50

Step by Step Solution

1. Step 1: Write the proportion equation
   74,141.94 : 102,316.53 = 42,310.50 : x
2. Step 2: Convert to fraction form
   74,141.94/102,316.53 = 42,310.50/x
3. Step 3: Cross multiply
   74,141.94x = 102,316.53 × 42,310.50
4. Step 4: Simplify right side
   74,141.94x = 4,329,063,542.57
5. Step 5: Solve for x
   x = 4,329,063,542.57/74,141.94
6. Step 6: Final answer
   x = 58,388.86