Finding the Fourth Proportional to 72,341.19, 108,380.55 and 53,412.71

Step by Step Solution

1. Step 1: Write the proportion equation
   72,341.19 : 108,380.55 = 53,412.71 : x
2. Step 2: Convert to fraction form
   72,341.19/108,380.55 = 53,412.71/x
3. Step 3: Cross multiply
   72,341.19x = 108,380.55 × 53,412.71
4. Step 4: Simplify right side
   72,341.19x = 5,788,898,344.89
5. Step 5: Solve for x
   x = 5,788,898,344.89/72,341.19
6. Step 6: Final answer
   x = 80,022.16