Finding the Fourth Proportional to 12,427.86, 18,641.69 and 5,032.20

Step by Step Solution

1. Step 1: Write the proportion equation
   12,427.86 : 18,641.69 = 5,032.20 : x
2. Step 2: Convert to fraction form
   12,427.86/18,641.69 = 5,032.20/x
3. Step 3: Cross multiply
   12,427.86x = 18,641.69 × 5,032.20
4. Step 4: Simplify right side
   12,427.86x = 93,808,751.91
5. Step 5: Solve for x
   x = 93,808,751.91/12,427.86
6. Step 6: Final answer
   x = 7,548.27