Finding the Fourth Proportional to 52,456.65, 72,390.18 and 28,583.33

Step by Step Solution

1. Step 1: Write the proportion equation
   52,456.65 : 72,390.18 = 28,583.33 : x
2. Step 2: Convert to fraction form
   52,456.65/72,390.18 = 28,583.33/x
3. Step 3: Cross multiply
   52,456.65x = 72,390.18 × 28,583.33
4. Step 4: Simplify right side
   52,456.65x = 2,069,152,403.70
5. Step 5: Solve for x
   x = 2,069,152,403.70/52,456.65
6. Step 6: Final answer
   x = 39,445.00