Finding the Fourth Proportional to 12,547.30, 17,316.72 and 7,511.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,547.30 : 17,316.72 = 7,511.52 : x
2. Step 2: Convert to fraction form
   12,547.30/17,316.72 = 7,511.52/x
3. Step 3: Cross multiply
   12,547.30x = 17,316.72 × 7,511.52
4. Step 4: Simplify right side
   12,547.30x = 130,074,783.25
5. Step 5: Solve for x
   x = 130,074,783.25/12,547.30
6. Step 6: Final answer
   x = 10,366.76