Finding the Fourth Proportional to 52,481.34, 72,423.80 and 28,608.02

Step by Step Solution

1. Step 1: Write the proportion equation
   52,481.34 : 72,423.80 = 28,608.02 : x
2. Step 2: Convert to fraction form
   52,481.34/72,423.80 = 28,608.02/x
3. Step 3: Cross multiply
   52,481.34x = 72,423.80 × 28,608.02
4. Step 4: Simplify right side
   52,481.34x = 2,071,901,518.88
5. Step 5: Solve for x
   x = 2,071,901,518.88/52,481.34
6. Step 6: Final answer
   x = 39,478.82