Finding the Fourth Proportional to 71,955.64, 99,308.56 and 41,340.72

Step by Step Solution

1. Step 1: Write the proportion equation
   71,955.64 : 99,308.56 = 41,340.72 : x
2. Step 2: Convert to fraction form
   71,955.64/99,308.56 = 41,340.72/x
3. Step 3: Cross multiply
   71,955.64x = 99,308.56 × 41,340.72
4. Step 4: Simplify right side
   71,955.64x = 4,105,487,372.56
5. Step 5: Solve for x
   x = 4,105,487,372.56/71,955.64
6. Step 6: Final answer
   x = 57,055.81