Finding the Fourth Proportional to 52,521.45, 72,482.55 and 28,648.52

Step by Step Solution

1. Step 1: Write the proportion equation
   52,521.45 : 72,482.55 = 28,648.52 : x
2. Step 2: Convert to fraction form
   52,521.45/72,482.55 = 28,648.52/x
3. Step 3: Cross multiply
   52,521.45x = 72,482.55 × 28,648.52
4. Step 4: Simplify right side
   52,521.45x = 2,076,517,783.33
5. Step 5: Solve for x
   x = 2,076,517,783.33/52,521.45
6. Step 6: Final answer
   x = 39,536.57