Finding the Fourth Proportional to 151,510.23, 209,080.28 and 83,525.63

Step by Step Solution

1. Step 1: Write the proportion equation
   151,510.23 : 209,080.28 = 83,525.63 : x
2. Step 2: Convert to fraction form
   151,510.23/209,080.28 = 83,525.63/x
3. Step 3: Cross multiply
   151,510.23x = 209,080.28 × 83,525.63
4. Step 4: Simplify right side
   151,510.23x = 17,463,561,859.78
5. Step 5: Solve for x
   x = 17,463,561,859.78/151,510.23
6. Step 6: Final answer
   x = 115,263.25