Finding the Fourth Proportional to 52,495.08, 72,443.21 and 28,621.82

Step by Step Solution

1. Step 1: Write the proportion equation
   52,495.08 : 72,443.21 = 28,621.82 : x
2. Step 2: Convert to fraction form
   52,495.08/72,443.21 = 28,621.82/x
3. Step 3: Cross multiply
   52,495.08x = 72,443.21 × 28,621.82
4. Step 4: Simplify right side
   52,495.08x = 2,073,456,011.52
5. Step 5: Solve for x
   x = 2,073,456,011.52/52,495.08
6. Step 6: Final answer
   x = 39,498.10