Finding the Fourth Proportional to 64,648.71, 96,979.82 and 17,901.59

Step by Step Solution

1. Step 1: Write the proportion equation
   64,648.71 : 96,979.82 = 17,901.59 : x
2. Step 2: Convert to fraction form
   64,648.71/96,979.82 = 17,901.59/x
3. Step 3: Cross multiply
   64,648.71x = 96,979.82 × 17,901.59
4. Step 4: Simplify right side
   64,648.71x = 1,736,092,401.51
5. Step 5: Solve for x
   x = 1,736,092,401.51/64,648.71
6. Step 6: Final answer
   x = 26,854.25