Finding the Fourth Proportional to 155,111.16, 232,713.42 and 55,258.32

Step by Step Solution

1. Step 1: Write the proportion equation
   155,111.16 : 232,713.42 = 55,258.32 : x
2. Step 2: Convert to fraction form
   155,111.16/232,713.42 = 55,258.32/x
3. Step 3: Cross multiply
   155,111.16x = 232,713.42 × 55,258.32
4. Step 4: Simplify right side
   155,111.16x = 12,859,352,630.65
5. Step 5: Solve for x
   x = 12,859,352,630.65/155,111.16
6. Step 6: Final answer
   x = 82,904.11