Finding the Fourth Proportional to 72,426.76, 108,635.91 and 19,832.38

Step by Step Solution

1. Step 1: Write the proportion equation
   72,426.76 : 108,635.91 = 19,832.38 : x
2. Step 2: Convert to fraction form
   72,426.76/108,635.91 = 19,832.38/x
3. Step 3: Cross multiply
   72,426.76x = 108,635.91 × 19,832.38
4. Step 4: Simplify right side
   72,426.76x = 2,154,508,648.77
5. Step 5: Solve for x
   x = 2,154,508,648.77/72,426.76
6. Step 6: Final answer
   x = 29,747.41