Finding the Fourth Proportional to 109,713.54, 151,404.69 and 59,412.54

Step by Step Solution

1. Step 1: Write the proportion equation
   109,713.54 : 151,404.69 = 59,412.54 : x
2. Step 2: Convert to fraction form
   109,713.54/151,404.69 = 59,412.54/x
3. Step 3: Cross multiply
   109,713.54x = 151,404.69 × 59,412.54
4. Step 4: Simplify right side
   109,713.54x = 8,995,337,200.81
5. Step 5: Solve for x
   x = 8,995,337,200.81/109,713.54
6. Step 6: Final answer
   x = 81,989.31