Finding the Fourth Proportional to 7,818.32, 10,784.09 and 5,581.46

Step by Step Solution

1. Step 1: Write the proportion equation
   7,818.32 : 10,784.09 = 5,581.46 : x
2. Step 2: Convert to fraction form
   7,818.32/10,784.09 = 5,581.46/x
3. Step 3: Cross multiply
   7,818.32x = 10,784.09 × 5,581.46
4. Step 4: Simplify right side
   7,818.32x = 60,190,885.14
5. Step 5: Solve for x
   x = 60,190,885.14/7,818.32
6. Step 6: Final answer
   x = 7,698.70