Finding the Fourth Proportional to 8,038.15, 12,061.32 and 4,711.20

Step by Step Solution

1. Step 1: Write the proportion equation
   8,038.15 : 12,061.32 = 4,711.20 : x
2. Step 2: Convert to fraction form
   8,038.15/12,061.32 = 4,711.20/x
3. Step 3: Cross multiply
   8,038.15x = 12,061.32 × 4,711.20
4. Step 4: Simplify right side
   8,038.15x = 56,823,290.78
5. Step 5: Solve for x
   x = 56,823,290.78/8,038.15
6. Step 6: Final answer
   x = 7,069.20