Finding the Fourth Proportional to 109,784.12, 151,404.24 and 85,591.04

Step by Step Solution

1. Step 1: Write the proportion equation
   109,784.12 : 151,404.24 = 85,591.04 : x
2. Step 2: Convert to fraction form
   109,784.12/151,404.24 = 85,591.04/x
3. Step 3: Cross multiply
   109,784.12x = 151,404.24 × 85,591.04
4. Step 4: Simplify right side
   109,784.12x = 12,958,846,362.01
5. Step 5: Solve for x
   x = 12,958,846,362.01/109,784.12
6. Step 6: Final answer
   x = 118,039.35