Finding the Fourth Proportional to 6,601.32, 9,110.61 and 4,085.10

Step by Step Solution

1. Step 1: Write the proportion equation
   6,601.32 : 9,110.61 = 4,085.10 : x
2. Step 2: Convert to fraction form
   6,601.32/9,110.61 = 4,085.10/x
3. Step 3: Cross multiply
   6,601.32x = 9,110.61 × 4,085.10
4. Step 4: Simplify right side
   6,601.32x = 37,217,752.91
5. Step 5: Solve for x
   x = 37,217,752.91/6,601.32
6. Step 6: Final answer
   x = 5,637.93