Finding the Fourth Proportional to 12,370.53, 17,062.88 and 7,646.61

Step by Step Solution

1. Step 1: Write the proportion equation
   12,370.53 : 17,062.88 = 7,646.61 : x
2. Step 2: Convert to fraction form
   12,370.53/17,062.88 = 7,646.61/x
3. Step 3: Cross multiply
   12,370.53x = 17,062.88 × 7,646.61
4. Step 4: Simplify right side
   12,370.53x = 130,473,150.60
5. Step 5: Solve for x
   x = 130,473,150.60/12,370.53
6. Step 6: Final answer
   x = 10,547.09