Finding the Fourth Proportional to 151,130.75, 208,560.42 and 83,146.25

Step by Step Solution

1. Step 1: Write the proportion equation
   151,130.75 : 208,560.42 = 83,146.25 : x
2. Step 2: Convert to fraction form
   151,130.75/208,560.42 = 83,146.25/x
3. Step 3: Cross multiply
   151,130.75x = 208,560.42 × 83,146.25
4. Step 4: Simplify right side
   151,130.75x = 17,341,017,342.83
5. Step 5: Solve for x
   x = 17,341,017,342.83/151,130.75
6. Step 6: Final answer
   x = 114,741.82