Finding the Fourth Proportional to 102,287.93, 152,741.76 and 83,605.55

Step by Step Solution

1. Step 1: Write the proportion equation
   102,287.93 : 152,741.76 = 83,605.55 : x
2. Step 2: Convert to fraction form
   102,287.93/152,741.76 = 83,605.55/x
3. Step 3: Cross multiply
   102,287.93x = 152,741.76 × 83,605.55
4. Step 4: Simplify right side
   102,287.93x = 12,770,057,775.54
5. Step 5: Solve for x
   x = 12,770,057,775.54/102,287.93
6. Step 6: Final answer
   x = 124,844.24