Finding the Fourth Proportional to 52,613.79, 72,604.33 and 28,735.86

Step by Step Solution

1. Step 1: Write the proportion equation
   52,613.79 : 72,604.33 = 28,735.86 : x
2. Step 2: Convert to fraction form
   52,613.79/72,604.33 = 28,735.86/x
3. Step 3: Cross multiply
   52,613.79x = 72,604.33 × 28,735.86
4. Step 4: Simplify right side
   52,613.79x = 2,086,347,518.17
5. Step 5: Solve for x
   x = 2,086,347,518.17/52,613.79
6. Step 6: Final answer
   x = 39,654.00