Finding the Fourth Proportional to 52,697.53, 72,722.61 and 28,826.41

Step by Step Solution

1. Step 1: Write the proportion equation
   52,697.53 : 72,722.61 = 28,826.41 : x
2. Step 2: Convert to fraction form
   52,697.53/72,722.61 = 28,826.41/x
3. Step 3: Cross multiply
   52,697.53x = 72,722.61 × 28,826.41
4. Step 4: Simplify right side
   52,697.53x = 2,096,331,264.39
5. Step 5: Solve for x
   x = 2,096,331,264.39/52,697.53
6. Step 6: Final answer
   x = 39,780.45