Finding the Fourth Proportional to 72,444.32, 108,651.72 and 19,849.76

Step by Step Solution

1. Step 1: Write the proportion equation
   72,444.32 : 108,651.72 = 19,849.76 : x
2. Step 2: Convert to fraction form
   72,444.32/108,651.72 = 19,849.76/x
3. Step 3: Cross multiply
   72,444.32x = 108,651.72 × 19,849.76
4. Step 4: Simplify right side
   72,444.32x = 2,156,710,565.59
5. Step 5: Solve for x
   x = 2,156,710,565.59/72,444.32
6. Step 6: Final answer
   x = 29,770.60