Finding the Fourth Proportional to 71,255.18, 98,316.83 and 42,960.26

Step by Step Solution

1. Step 1: Write the proportion equation
   71,255.18 : 98,316.83 = 42,960.26 : x
2. Step 2: Convert to fraction form
   71,255.18/98,316.83 = 42,960.26/x
3. Step 3: Cross multiply
   71,255.18x = 98,316.83 × 42,960.26
4. Step 4: Simplify right side
   71,255.18x = 4,223,716,579.18
5. Step 5: Solve for x
   x = 4,223,716,579.18/71,255.18
6. Step 6: Final answer
   x = 59,275.92