Finding the Fourth Proportional to 74,529.86, 102,861.15 and 42,276.16

Step by Step Solution

1. Step 1: Write the proportion equation
   74,529.86 : 102,861.15 = 42,276.16 : x
2. Step 2: Convert to fraction form
   74,529.86/102,861.15 = 42,276.16/x
3. Step 3: Cross multiply
   74,529.86x = 102,861.15 × 42,276.16
4. Step 4: Simplify right side
   74,529.86x = 4,348,573,709.50
5. Step 5: Solve for x
   x = 4,348,573,709.50/74,529.86
6. Step 6: Final answer
   x = 58,346.73