Finding the Fourth Proportional to 52,488.18, 72,435.96 and 28,616.22

Step by Step Solution

1. Step 1: Write the proportion equation
   52,488.18 : 72,435.96 = 28,616.22 : x
2. Step 2: Convert to fraction form
   52,488.18/72,435.96 = 28,616.22/x
3. Step 3: Cross multiply
   52,488.18x = 72,435.96 × 28,616.22
4. Step 4: Simplify right side
   52,488.18x = 2,072,843,367.27
5. Step 5: Solve for x
   x = 2,072,843,367.27/52,488.18
6. Step 6: Final answer
   x = 39,491.62