Finding the Fourth Proportional to 109,443.32, 151,031.78 and 59,142.32

Step by Step Solution

1. Step 1: Write the proportion equation
   109,443.32 : 151,031.78 = 59,142.32 : x
2. Step 2: Convert to fraction form
   109,443.32/151,031.78 = 59,142.32/x
3. Step 3: Cross multiply
   109,443.32x = 151,031.78 × 59,142.32
4. Step 4: Simplify right side
   109,443.32x = 8,932,368,812.06
5. Step 5: Solve for x
   x = 8,932,368,812.06/109,443.32
6. Step 6: Final answer
   x = 81,616.39