Finding the Fourth Proportional to 109,010.56, 150,322.56 and 91,098.88

Step by Step Solution

1. Step 1: Write the proportion equation
   109,010.56 : 150,322.56 = 91,098.88 : x
2. Step 2: Convert to fraction form
   109,010.56/150,322.56 = 91,098.88/x
3. Step 3: Cross multiply
   109,010.56x = 150,322.56 × 91,098.88
4. Step 4: Simplify right side
   109,010.56x = 13,694,216,854.73
5. Step 5: Solve for x
   x = 13,694,216,854.73/109,010.56
6. Step 6: Final answer
   x = 125,622.85