Finding the Fourth Proportional to 10,180.40, 14,055.72 and 7,818.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,180.40 : 14,055.72 = 7,818.32 : x
2. Step 2: Convert to fraction form
   10,180.40/14,055.72 = 7,818.32/x
3. Step 3: Cross multiply
   10,180.40x = 14,055.72 × 7,818.32
4. Step 4: Simplify right side
   10,180.40x = 109,892,116.79
5. Step 5: Solve for x
   x = 109,892,116.79/10,180.40
6. Step 6: Final answer
   x = 10,794.48