Finding the Fourth Proportional to 23,665.08, 35,490.24 and 7,866.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,665.08 : 35,490.24 = 7,866.72 : x
2. Step 2: Convert to fraction form
   23,665.08/35,490.24 = 7,866.72/x
3. Step 3: Cross multiply
   23,665.08x = 35,490.24 × 7,866.72
4. Step 4: Simplify right side
   23,665.08x = 279,191,780.81
5. Step 5: Solve for x
   x = 279,191,780.81/23,665.08
6. Step 6: Final answer
   x = 11,797.63