Finding the Fourth Proportional to 12,547.18, 17,316.48 and 7,510.87

Step by Step Solution

1. Step 1: Write the proportion equation
   12,547.18 : 17,316.48 = 7,510.87 : x
2. Step 2: Convert to fraction form
   12,547.18/17,316.48 = 7,510.87/x
3. Step 3: Cross multiply
   12,547.18x = 17,316.48 × 7,510.87
4. Step 4: Simplify right side
   12,547.18x = 130,061,830.14
5. Step 5: Solve for x
   x = 130,061,830.14/12,547.18
6. Step 6: Final answer
   x = 10,365.82