Finding the Fourth Proportional to 102,288.93, 152,743.25 and 83,606.55

Step by Step Solution

1. Step 1: Write the proportion equation
   102,288.93 : 152,743.25 = 83,606.55 : x
2. Step 2: Convert to fraction form
   102,288.93/152,743.25 = 83,606.55/x
3. Step 3: Cross multiply
   102,288.93x = 152,743.25 × 83,606.55
4. Step 4: Simplify right side
   102,288.93x = 12,770,336,168.29
5. Step 5: Solve for x
   x = 12,770,336,168.29/102,288.93
6. Step 6: Final answer
   x = 124,845.73