Finding the Fourth Proportional to 12,762.56, 19,152.56 and 4,442.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,762.56 : 19,152.56 = 4,442.50 : x
2. Step 2: Convert to fraction form
   12,762.56/19,152.56 = 4,442.50/x
3. Step 3: Cross multiply
   12,762.56x = 19,152.56 × 4,442.50
4. Step 4: Simplify right side
   12,762.56x = 85,085,247.80
5. Step 5: Solve for x
   x = 85,085,247.80/12,762.56
6. Step 6: Final answer
   x = 6,666.79