Finding the Fourth Proportional to 151,131.55, 208,561.52 and 83,147.06

Step by Step Solution

1. Step 1: Write the proportion equation
   151,131.55 : 208,561.52 = 83,147.06 : x
2. Step 2: Convert to fraction form
   151,131.55/208,561.52 = 83,147.06/x
3. Step 3: Cross multiply
   151,131.55x = 208,561.52 × 83,147.06
4. Step 4: Simplify right side
   151,131.55x = 17,341,275,758.59
5. Step 5: Solve for x
   x = 17,341,275,758.59/151,131.55
6. Step 6: Final answer
   x = 114,742.93