Finding the Fourth Proportional to 109,411.56, 150,987.96 and 59,110.56

Step by Step Solution

1. Step 1: Write the proportion equation
   109,411.56 : 150,987.96 = 59,110.56 : x
2. Step 2: Convert to fraction form
   109,411.56/150,987.96 = 59,110.56/x
3. Step 3: Cross multiply
   109,411.56x = 150,987.96 × 59,110.56
4. Step 4: Simplify right side
   109,411.56x = 8,924,982,868.86
5. Step 5: Solve for x
   x = 8,924,982,868.86/109,411.56
6. Step 6: Final answer
   x = 81,572.58