Finding the Fourth Proportional to 72,904.71, 109,357.06 and 17,500.71

Step by Step Solution

1. Step 1: Write the proportion equation
   72,904.71 : 109,357.06 = 17,500.71 : x
2. Step 2: Convert to fraction form
   72,904.71/109,357.06 = 17,500.71/x
3. Step 3: Cross multiply
   72,904.71x = 109,357.06 × 17,500.71
4. Step 4: Simplify right side
   72,904.71x = 1,913,826,193.51
5. Step 5: Solve for x
   x = 1,913,826,193.51/72,904.71
6. Step 6: Final answer
   x = 26,251.06