Finding the Fourth Proportional to 148,680.52, 205,085.82 and 88,208.35

Step by Step Solution

1. Step 1: Write the proportion equation
   148,680.52 : 205,085.82 = 88,208.35 : x
2. Step 2: Convert to fraction form
   148,680.52/205,085.82 = 88,208.35/x
3. Step 3: Cross multiply
   148,680.52x = 205,085.82 × 88,208.35
4. Step 4: Simplify right side
   148,680.52x = 18,090,281,790.60
5. Step 5: Solve for x
   x = 18,090,281,790.60/148,680.52
6. Step 6: Final answer
   x = 121,672.17