Finding the Fourth Proportional to 8,061.32, 12,068.22 and 7,862.60

Step by Step Solution

1. Step 1: Write the proportion equation
   8,061.32 : 12,068.22 = 7,862.60 : x
2. Step 2: Convert to fraction form
   8,061.32/12,068.22 = 7,862.60/x
3. Step 3: Cross multiply
   8,061.32x = 12,068.22 × 7,862.60
4. Step 4: Simplify right side
   8,061.32x = 94,887,586.57
5. Step 5: Solve for x
   x = 94,887,586.57/8,061.32
6. Step 6: Final answer
   x = 11,770.73