Finding the Fourth Proportional to 52,300.20, 72,175.01 and 28,426.87

Step by Step Solution

1. Step 1: Write the proportion equation
   52,300.20 : 72,175.01 = 28,426.87 : x
2. Step 2: Convert to fraction form
   52,300.20/72,175.01 = 28,426.87/x
3. Step 3: Cross multiply
   52,300.20x = 72,175.01 × 28,426.87
4. Step 4: Simplify right side
   52,300.20x = 2,051,709,626.52
5. Step 5: Solve for x
   x = 2,051,709,626.52/52,300.20
6. Step 6: Final answer
   x = 39,229.48