Finding the Fourth Proportional to 52,469.90, 72,406.34 and 28,596.05

Step by Step Solution

1. Step 1: Write the proportion equation
   52,469.90 : 72,406.34 = 28,596.05 : x
2. Step 2: Convert to fraction form
   52,469.90/72,406.34 = 28,596.05/x
3. Step 3: Cross multiply
   52,469.90x = 72,406.34 × 28,596.05
4. Step 4: Simplify right side
   52,469.90x = 2,070,535,175.98
5. Step 5: Solve for x
   x = 2,070,535,175.98/52,469.90
6. Step 6: Final answer
   x = 39,461.39