Finding the Fourth Proportional to 151,132.79, 208,563.24 and 83,148.31

Step by Step Solution

1. Step 1: Write the proportion equation
   151,132.79 : 208,563.24 = 83,148.31 : x
2. Step 2: Convert to fraction form
   151,132.79/208,563.24 = 83,148.31/x
3. Step 3: Cross multiply
   151,132.79x = 208,563.24 × 83,148.31
4. Step 4: Simplify right side
   151,132.79x = 17,341,680,934.12
5. Step 5: Solve for x
   x = 17,341,680,934.12/151,132.79
6. Step 6: Final answer
   x = 114,744.66