Finding the Fourth Proportional to 72,494.84, 108,729.96 and 19,892.04

Step by Step Solution

1. Step 1: Write the proportion equation
   72,494.84 : 108,729.96 = 19,892.04 : x
2. Step 2: Convert to fraction form
   72,494.84/108,729.96 = 19,892.04/x
3. Step 3: Cross multiply
   72,494.84x = 108,729.96 × 19,892.04
4. Step 4: Simplify right side
   72,494.84x = 2,162,860,713.52
5. Step 5: Solve for x
   x = 2,162,860,713.52/72,494.84
6. Step 6: Final answer
   x = 29,834.68