Finding the Fourth Proportional to 52,386.74, 72,291.49 and 28,513.46

Step by Step Solution

1. Step 1: Write the proportion equation
   52,386.74 : 72,291.49 = 28,513.46 : x
2. Step 2: Convert to fraction form
   52,386.74/72,291.49 = 28,513.46/x
3. Step 3: Cross multiply
   52,386.74x = 72,291.49 × 28,513.46
4. Step 4: Simplify right side
   52,386.74x = 2,061,280,508.46
5. Step 5: Solve for x
   x = 2,061,280,508.46/52,386.74
6. Step 6: Final answer
   x = 39,347.37