Finding the Fourth Proportional to 74,331.37, 102,584.34 and 42,494.05

Step by Step Solution

1. Step 1: Write the proportion equation
   74,331.37 : 102,584.34 = 42,494.05 : x
2. Step 2: Convert to fraction form
   74,331.37/102,584.34 = 42,494.05/x
3. Step 3: Cross multiply
   74,331.37x = 102,584.34 × 42,494.05
4. Step 4: Simplify right side
   74,331.37x = 4,359,224,073.18
5. Step 5: Solve for x
   x = 4,359,224,073.18/74,331.37
6. Step 6: Final answer
   x = 58,645.82