Finding the Fourth Proportional to 151,923.52, 209,618.72 and 88,223.04

Step by Step Solution

1. Step 1: Write the proportion equation
   151,923.52 : 209,618.72 = 88,223.04 : x
2. Step 2: Convert to fraction form
   151,923.52/209,618.72 = 88,223.04/x
3. Step 3: Cross multiply
   151,923.52x = 209,618.72 × 88,223.04
4. Step 4: Simplify right side
   151,923.52x = 18,493,200,719.31
5. Step 5: Solve for x
   x = 18,493,200,719.31/151,923.52
6. Step 6: Final answer
   x = 121,727.04