Finding the Fourth Proportional to 55,118.31, 82,684.79 and 17,665.93

Step by Step Solution

1. Step 1: Write the proportion equation
   55,118.31 : 82,684.79 = 17,665.93 : x
2. Step 2: Convert to fraction form
   55,118.31/82,684.79 = 17,665.93/x
3. Step 3: Cross multiply
   55,118.31x = 82,684.79 × 17,665.93
4. Step 4: Simplify right side
   55,118.31x = 1,460,703,712.20
5. Step 5: Solve for x
   x = 1,460,703,712.20/55,118.31
6. Step 6: Final answer
   x = 26,501.24