Finding the Fourth Proportional to 10,982.99, 15,152.82 and 7,152.91

Step by Step Solution

1. Step 1: Write the proportion equation
   10,982.99 : 15,152.82 = 7,152.91 : x
2. Step 2: Convert to fraction form
   10,982.99/15,152.82 = 7,152.91/x
3. Step 3: Cross multiply
   10,982.99x = 15,152.82 × 7,152.91
4. Step 4: Simplify right side
   10,982.99x = 108,386,733.24
5. Step 5: Solve for x
   x = 108,386,733.24/10,982.99
6. Step 6: Final answer
   x = 9,868.60