Finding the Fourth Proportional to 52,525.10, 72,483.78 and 28,651.25

Step by Step Solution

1. Step 1: Write the proportion equation
   52,525.10 : 72,483.78 = 28,651.25 : x
2. Step 2: Convert to fraction form
   52,525.10/72,483.78 = 28,651.25/x
3. Step 3: Cross multiply
   52,525.10x = 72,483.78 × 28,651.25
4. Step 4: Simplify right side
   52,525.10x = 2,076,750,539.31
5. Step 5: Solve for x
   x = 2,076,750,539.31/52,525.10
6. Step 6: Final answer
   x = 39,538.25