Finding the Fourth Proportional to 11,665.92, 17,502.66 and 3,875.88

Step by Step Solution

1. Step 1: Write the proportion equation
   11,665.92 : 17,502.66 = 3,875.88 : x
2. Step 2: Convert to fraction form
   11,665.92/17,502.66 = 3,875.88/x
3. Step 3: Cross multiply
   11,665.92x = 17,502.66 × 3,875.88
4. Step 4: Simplify right side
   11,665.92x = 67,838,209.84
5. Step 5: Solve for x
   x = 67,838,209.84/11,665.92
6. Step 6: Final answer
   x = 5,815.08