Finding the Fourth Proportional to 72,494.30, 108,741.24 and 19,903.83

Step by Step Solution

1. Step 1: Write the proportion equation
   72,494.30 : 108,741.24 = 19,903.83 : x
2. Step 2: Convert to fraction form
   72,494.30/108,741.24 = 19,903.83/x
3. Step 3: Cross multiply
   72,494.30x = 108,741.24 × 19,903.83
4. Step 4: Simplify right side
   72,494.30x = 2,164,367,154.95
5. Step 5: Solve for x
   x = 2,164,367,154.95/72,494.30
6. Step 6: Final answer
   x = 29,855.69