Finding the Fourth Proportional to 72,905.71, 109,358.56 and 17,501.71

Step by Step Solution

1. Step 1: Write the proportion equation
   72,905.71 : 109,358.56 = 17,501.71 : x
2. Step 2: Convert to fraction form
   72,905.71/109,358.56 = 17,501.71/x
3. Step 3: Cross multiply
   72,905.71x = 109,358.56 × 17,501.71
4. Step 4: Simplify right side
   72,905.71x = 1,913,961,803.14
5. Step 5: Solve for x
   x = 1,913,961,803.14/72,905.71
6. Step 6: Final answer
   x = 26,252.56