Finding the Fourth Proportional to 52,710.41, 72,740.61 and 28,837.50

Step by Step Solution

1. Step 1: Write the proportion equation
   52,710.41 : 72,740.61 = 28,837.50 : x
2. Step 2: Convert to fraction form
   52,710.41/72,740.61 = 28,837.50/x
3. Step 3: Cross multiply
   52,710.41x = 72,740.61 × 28,837.50
4. Step 4: Simplify right side
   52,710.41x = 2,097,657,340.88
5. Step 5: Solve for x
   x = 2,097,657,340.88/52,710.41
6. Step 6: Final answer
   x = 39,795.89