Finding the Fourth Proportional to 40,540.83, 55,915.55 and 34,885.05

Step by Step Solution

1. Step 1: Write the proportion equation
   40,540.83 : 55,915.55 = 34,885.05 : x
2. Step 2: Convert to fraction form
   40,540.83/55,915.55 = 34,885.05/x
3. Step 3: Cross multiply
   40,540.83x = 55,915.55 × 34,885.05
4. Step 4: Simplify right side
   40,540.83x = 1,950,616,844.74
5. Step 5: Solve for x
   x = 1,950,616,844.74/40,540.83
6. Step 6: Final answer
   x = 48,114.88