Finding the Fourth Proportional to 41,156.79, 56,799.86 and 34,430.55

Step by Step Solution

1. Step 1: Write the proportion equation
   41,156.79 : 56,799.86 = 34,430.55 : x
2. Step 2: Convert to fraction form
   41,156.79/56,799.86 = 34,430.55/x
3. Step 3: Cross multiply
   41,156.79x = 56,799.86 × 34,430.55
4. Step 4: Simplify right side
   41,156.79x = 1,955,650,419.72
5. Step 5: Solve for x
   x = 1,955,650,419.72/41,156.79
6. Step 6: Final answer
   x = 47,517.08