Finding the Fourth Proportional to 9,519.32, 13,140.78 and 7,162.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,519.32 : 13,140.78 = 7,162.04 : x
2. Step 2: Convert to fraction form
   9,519.32/13,140.78 = 7,162.04/x
3. Step 3: Cross multiply
   9,519.32x = 13,140.78 × 7,162.04
4. Step 4: Simplify right side
   9,519.32x = 94,114,791.99
5. Step 5: Solve for x
   x = 94,114,791.99/9,519.32
6. Step 6: Final answer
   x = 9,886.71