Finding the Fourth Proportional to 102,034.83, 153,273.67 and 86,271.51

Step by Step Solution

1. Step 1: Write the proportion equation
   102,034.83 : 153,273.67 = 86,271.51 : x
2. Step 2: Convert to fraction form
   102,034.83/153,273.67 = 86,271.51/x
3. Step 3: Cross multiply
   102,034.83x = 153,273.67 × 86,271.51
4. Step 4: Simplify right side
   102,034.83x = 13,223,151,535.86
5. Step 5: Solve for x
   x = 13,223,151,535.86/102,034.83
6. Step 6: Final answer
   x = 129,594.49