Finding the Fourth Proportional to 12,782.04, 17,641.71 and 7,477.35

Step by Step Solution

1. Step 1: Write the proportion equation
   12,782.04 : 17,641.71 = 7,477.35 : x
2. Step 2: Convert to fraction form
   12,782.04/17,641.71 = 7,477.35/x
3. Step 3: Cross multiply
   12,782.04x = 17,641.71 × 7,477.35
4. Step 4: Simplify right side
   12,782.04x = 131,913,240.27
5. Step 5: Solve for x
   x = 131,913,240.27/12,782.04
6. Step 6: Final answer
   x = 10,320.20