Finding the Fourth Proportional to 151,131.50, 208,561.46 and 83,147.01

Step by Step Solution

1. Step 1: Write the proportion equation
   151,131.50 : 208,561.46 = 83,147.01 : x
2. Step 2: Convert to fraction form
   151,131.50/208,561.46 = 83,147.01/x
3. Step 3: Cross multiply
   151,131.50x = 208,561.46 × 83,147.01
4. Step 4: Simplify right side
   151,131.50x = 17,341,261,384.50
5. Step 5: Solve for x
   x = 17,341,261,384.50/151,131.50
6. Step 6: Final answer
   x = 114,742.87