Finding the Fourth Proportional to 309,727.56, 464,591.28 and 88,111.56

Step by Step Solution

1. Step 1: Write the proportion equation
   309,727.56 : 464,591.28 = 88,111.56 : x
2. Step 2: Convert to fraction form
   309,727.56/464,591.28 = 88,111.56/x
3. Step 3: Cross multiply
   309,727.56x = 464,591.28 × 88,111.56
4. Step 4: Simplify right side
   309,727.56x = 40,935,862,443.20
5. Step 5: Solve for x
   x = 40,935,862,443.20/309,727.56
6. Step 6: Final answer
   x = 132,167.32