Finding the Fourth Proportional to 12,967.02, 17,886.15 and 7,661.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,967.02 : 17,886.15 = 7,661.52 : x
2. Step 2: Convert to fraction form
   12,967.02/17,886.15 = 7,661.52/x
3. Step 3: Cross multiply
   12,967.02x = 17,886.15 × 7,661.52
4. Step 4: Simplify right side
   12,967.02x = 137,035,095.95
5. Step 5: Solve for x
   x = 137,035,095.95/12,967.02
6. Step 6: Final answer
   x = 10,567.97