Finding the Fourth Proportional to 151,131.63, 208,561.65 and 83,147.16

Step by Step Solution

1. Step 1: Write the proportion equation
   151,131.63 : 208,561.65 = 83,147.16 : x
2. Step 2: Convert to fraction form
   151,131.63/208,561.65 = 83,147.16/x
3. Step 3: Cross multiply
   151,131.63x = 208,561.65 × 83,147.16
4. Step 4: Simplify right side
   151,131.63x = 17,341,308,882.41
5. Step 5: Solve for x
   x = 17,341,308,882.41/151,131.63
6. Step 6: Final answer
   x = 114,743.08