Finding the Fourth Proportional to 52,609.08, 72,600.42 and 28,735.72

Step by Step Solution

1. Step 1: Write the proportion equation
   52,609.08 : 72,600.42 = 28,735.72 : x
2. Step 2: Convert to fraction form
   52,609.08/72,600.42 = 28,735.72/x
3. Step 3: Cross multiply
   52,609.08x = 72,600.42 × 28,735.72
4. Step 4: Simplify right side
   52,609.08x = 2,086,225,341.00
5. Step 5: Solve for x
   x = 2,086,225,341.00/52,609.08
6. Step 6: Final answer
   x = 39,655.23