Finding the Fourth Proportional to 52,483.28, 72,426.32 and 28,609.42

Step by Step Solution

1. Step 1: Write the proportion equation
   52,483.28 : 72,426.32 = 28,609.42 : x
2. Step 2: Convert to fraction form
   52,483.28/72,426.32 = 28,609.42/x
3. Step 3: Cross multiply
   52,483.28x = 72,426.32 × 28,609.42
4. Step 4: Simplify right side
   52,483.28x = 2,072,075,007.93
5. Step 5: Solve for x
   x = 2,072,075,007.93/52,483.28
6. Step 6: Final answer
   x = 39,480.67