Finding the Fourth Proportional to 23,665.04, 35,484.24 and 7,861.60

Step by Step Solution

1. Step 1: Write the proportion equation
   23,665.04 : 35,484.24 = 7,861.60 : x
2. Step 2: Convert to fraction form
   23,665.04/35,484.24 = 7,861.60/x
3. Step 3: Cross multiply
   23,665.04x = 35,484.24 × 7,861.60
4. Step 4: Simplify right side
   23,665.04x = 278,962,901.18
5. Step 5: Solve for x
   x = 278,962,901.18/23,665.04
6. Step 6: Final answer
   x = 11,787.98