Finding the Fourth Proportional to 39,864.72, 59,763.13 and 17,666.00

Step by Step Solution

1. Step 1: Write the proportion equation
   39,864.72 : 59,763.13 = 17,666.00 : x
2. Step 2: Convert to fraction form
   39,864.72/59,763.13 = 17,666.00/x
3. Step 3: Cross multiply
   39,864.72x = 59,763.13 × 17,666.00
4. Step 4: Simplify right side
   39,864.72x = 1,055,775,111.60
5. Step 5: Solve for x
   x = 1,055,775,111.60/39,864.72
6. Step 6: Final answer
   x = 26,483.95