Finding the Fourth Proportional to 39,901.73, 55,086.86 and 26,491.30

Step by Step Solution

1. Step 1: Write the proportion equation
   39,901.73 : 55,086.86 = 26,491.30 : x
2. Step 2: Convert to fraction form
   39,901.73/55,086.86 = 26,491.30/x
3. Step 3: Cross multiply
   39,901.73x = 55,086.86 × 26,491.30
4. Step 4: Simplify right side
   39,901.73x = 1,459,322,462.83
5. Step 5: Solve for x
   x = 1,459,322,462.83/39,901.73
6. Step 6: Final answer
   x = 36,572.92