Finding the Fourth Proportional to 148,680.71, 205,086.04 and 88,208.54

Step by Step Solution

1. Step 1: Write the proportion equation
   148,680.71 : 205,086.04 = 88,208.54 : x
2. Step 2: Convert to fraction form
   148,680.71/205,086.04 = 88,208.54/x
3. Step 3: Cross multiply
   148,680.71x = 205,086.04 × 88,208.54
4. Step 4: Simplify right side
   148,680.71x = 18,090,340,162.78
5. Step 5: Solve for x
   x = 18,090,340,162.78/148,680.71
6. Step 6: Final answer
   x = 121,672.41