Finding the Fourth Proportional to 74,533.92, 102,861 and 42,708.12

Step by Step Solution

1. Step 1: Write the proportion equation
   74,533.92 : 102,861 = 42,708.12 : x
2. Step 2: Convert to fraction form
   74,533.92/102,861 = 42,708.12/x
3. Step 3: Cross multiply
   74,533.92x = 102,861 × 42,708.12
4. Step 4: Simplify right side
   74,533.92x = 4,392,999,931.32
5. Step 5: Solve for x
   x = 4,392,999,931.32/74,533.92
6. Step 6: Final answer
   x = 58,939.61