Finding the Fourth Proportional to 151,105.38, 208,525.82 and 83,129.28

Step by Step Solution

1. Step 1: Write the proportion equation
   151,105.38 : 208,525.82 = 83,129.28 : x
2. Step 2: Convert to fraction form
   151,105.38/208,525.82 = 83,129.28/x
3. Step 3: Cross multiply
   151,105.38x = 208,525.82 × 83,129.28
4. Step 4: Simplify right side
   151,105.38x = 17,334,600,862.36
5. Step 5: Solve for x
   x = 17,334,600,862.36/151,105.38
6. Step 6: Final answer
   x = 114,718.62