Finding the Fourth Proportional to 12,527.18, 18,793.50 and 3,762.78

Step by Step Solution

1. Step 1: Write the proportion equation
   12,527.18 : 18,793.50 = 3,762.78 : x
2. Step 2: Convert to fraction form
   12,527.18/18,793.50 = 3,762.78/x
3. Step 3: Cross multiply
   12,527.18x = 18,793.50 × 3,762.78
4. Step 4: Simplify right side
   12,527.18x = 70,715,805.93
5. Step 5: Solve for x
   x = 70,715,805.93/12,527.18
6. Step 6: Final answer
   x = 5,644.99