Finding the Fourth Proportional to 52,610.18, 72,600.86 and 28,736.96

Step by Step Solution

1. Step 1: Write the proportion equation
   52,610.18 : 72,600.86 = 28,736.96 : x
2. Step 2: Convert to fraction form
   52,610.18/72,600.86 = 28,736.96/x
3. Step 3: Cross multiply
   52,610.18x = 72,600.86 × 28,736.96
4. Step 4: Simplify right side
   52,610.18x = 2,086,327,866.10
5. Step 5: Solve for x
   x = 2,086,327,866.10/52,610.18
6. Step 6: Final answer
   x = 39,656.35