Finding the Fourth Proportional to 12,547.58, 17,316.23 and 7,510.85

Step by Step Solution

1. Step 1: Write the proportion equation
   12,547.58 : 17,316.23 = 7,510.85 : x
2. Step 2: Convert to fraction form
   12,547.58/17,316.23 = 7,510.85/x
3. Step 3: Cross multiply
   12,547.58x = 17,316.23 × 7,510.85
4. Step 4: Simplify right side
   12,547.58x = 130,059,606.10
5. Step 5: Solve for x
   x = 130,059,606.10/12,547.58
6. Step 6: Final answer
   x = 10,365.31