Finding the Fourth Proportional to 72,352.37, 108,397.34 and 53,423.89

Step by Step Solution

1. Step 1: Write the proportion equation
   72,352.37 : 108,397.34 = 53,423.89 : x
2. Step 2: Convert to fraction form
   72,352.37/108,397.34 = 53,423.89/x
3. Step 3: Cross multiply
   72,352.37x = 108,397.34 × 53,423.89
4. Step 4: Simplify right side
   72,352.37x = 5,791,006,759.35
5. Step 5: Solve for x
   x = 5,791,006,759.35/72,352.37
6. Step 6: Final answer
   x = 80,038.94