Finding the Fourth Proportional to 8,060.32, 12,066.72 and 7,861.60

Step by Step Solution

1. Step 1: Write the proportion equation
   8,060.32 : 12,066.72 = 7,861.60 : x
2. Step 2: Convert to fraction form
   8,060.32/12,066.72 = 7,861.60/x
3. Step 3: Cross multiply
   8,060.32x = 12,066.72 × 7,861.60
4. Step 4: Simplify right side
   8,060.32x = 94,863,725.95
5. Step 5: Solve for x
   x = 94,863,725.95/8,060.32
6. Step 6: Final answer
   x = 11,769.23