Finding the Fourth Proportional to 74,659.08, 103,025.34 and 42,825

Step by Step Solution

1. Step 1: Write the proportion equation
   74,659.08 : 103,025.34 = 42,825 : x
2. Step 2: Convert to fraction form
   74,659.08/103,025.34 = 42,825/x
3. Step 3: Cross multiply
   74,659.08x = 103,025.34 × 42,825
4. Step 4: Simplify right side
   74,659.08x = 4,412,060,185.50
5. Step 5: Solve for x
   x = 4,412,060,185.50/74,659.08
6. Step 6: Final answer
   x = 59,096.10