Finding the Fourth Proportional to 151,697.52, 209,104.20 and 103,868.16

Step by Step Solution

1. Step 1: Write the proportion equation
   151,697.52 : 209,104.20 = 103,868.16 : x
2. Step 2: Convert to fraction form
   151,697.52/209,104.20 = 103,868.16/x
3. Step 3: Cross multiply
   151,697.52x = 209,104.20 × 103,868.16
4. Step 4: Simplify right side
   151,697.52x = 21,719,268,502.27
5. Step 5: Solve for x
   x = 21,719,268,502.27/151,697.52
6. Step 6: Final answer
   x = 143,174.84