Finding the Fourth Proportional to 71,556.90, 98,680.52 and 52,158.18

Step by Step Solution

1. Step 1: Write the proportion equation
   71,556.90 : 98,680.52 = 52,158.18 : x
2. Step 2: Convert to fraction form
   71,556.90/98,680.52 = 52,158.18/x
3. Step 3: Cross multiply
   71,556.90x = 98,680.52 × 52,158.18
4. Step 4: Simplify right side
   71,556.90x = 5,146,996,324.65
5. Step 5: Solve for x
   x = 5,146,996,324.65/71,556.90
6. Step 6: Final answer
   x = 71,928.72