Finding the Fourth Proportional to 9,522.32, 13,131.16 and 7,340.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,522.32 : 13,131.16 = 7,340.78 : x
2. Step 2: Convert to fraction form
   9,522.32/13,131.16 = 7,340.78/x
3. Step 3: Cross multiply
   9,522.32x = 13,131.16 × 7,340.78
4. Step 4: Simplify right side
   9,522.32x = 96,392,956.70
5. Step 5: Solve for x
   x = 96,392,956.70/9,522.32
6. Step 6: Final answer
   x = 10,122.84