Finding the Fourth Proportional to 12,547.83, 17,316.57 and 7,511.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,547.83 : 17,316.57 = 7,511.10 : x
2. Step 2: Convert to fraction form
   12,547.83/17,316.57 = 7,511.10/x
3. Step 3: Cross multiply
   12,547.83x = 17,316.57 × 7,511.10
4. Step 4: Simplify right side
   12,547.83x = 130,066,488.93
5. Step 5: Solve for x
   x = 130,066,488.93/12,547.83
6. Step 6: Final answer
   x = 10,365.66