Finding the Fourth Proportional to 49,540.32, 68,307.12 and 40,554.72

Step by Step Solution

1. Step 1: Write the proportion equation
   49,540.32 : 68,307.12 = 40,554.72 : x
2. Step 2: Convert to fraction form
   49,540.32/68,307.12 = 40,554.72/x
3. Step 3: Cross multiply
   49,540.32x = 68,307.12 × 40,554.72
4. Step 4: Simplify right side
   49,540.32x = 2,770,176,125.61
5. Step 5: Solve for x
   x = 2,770,176,125.61/49,540.32
6. Step 6: Final answer
   x = 55,917.61