Finding the Fourth Proportional to 151,510.88, 209,086.36 and 83,530.25

Step by Step Solution

1. Step 1: Write the proportion equation
   151,510.88 : 209,086.36 = 83,530.25 : x
2. Step 2: Convert to fraction form
   151,510.88/209,086.36 = 83,530.25/x
3. Step 3: Cross multiply
   151,510.88x = 209,086.36 × 83,530.25
4. Step 4: Simplify right side
   151,510.88x = 17,465,035,452.21
5. Step 5: Solve for x
   x = 17,465,035,452.21/151,510.88
6. Step 6: Final answer
   x = 115,272.48