Finding the Fourth Proportional to 52,362.45, 72,259.59 and 28,488.60

Step by Step Solution

1. Step 1: Write the proportion equation
   52,362.45 : 72,259.59 = 28,488.60 : x
2. Step 2: Convert to fraction form
   52,362.45/72,259.59 = 28,488.60/x
3. Step 3: Cross multiply
   52,362.45x = 72,259.59 × 28,488.60
4. Step 4: Simplify right side
   52,362.45x = 2,058,574,555.67
5. Step 5: Solve for x
   x = 2,058,574,555.67/52,362.45
6. Step 6: Final answer
   x = 39,313.95