Finding the Fourth Proportional to 10,314.30, 15,479.29 and 7,548.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,314.30 : 15,479.29 = 7,548.12 : x
2. Step 2: Convert to fraction form
   10,314.30/15,479.29 = 7,548.12/x
3. Step 3: Cross multiply
   10,314.30x = 15,479.29 × 7,548.12
4. Step 4: Simplify right side
   10,314.30x = 116,839,547.87
5. Step 5: Solve for x
   x = 116,839,547.87/10,314.30
6. Step 6: Final answer
   x = 11,327.91