Finding the Fourth Proportional to 9,105.60, 13,657.86 and 3,182.07

Step by Step Solution

1. Step 1: Write the proportion equation
   9,105.60 : 13,657.86 = 3,182.07 : x
2. Step 2: Convert to fraction form
   9,105.60/13,657.86 = 3,182.07/x
3. Step 3: Cross multiply
   9,105.60x = 13,657.86 × 3,182.07
4. Step 4: Simplify right side
   9,105.60x = 43,460,266.57
5. Step 5: Solve for x
   x = 43,460,266.57/9,105.60
6. Step 6: Final answer
   x = 4,772.92