Finding the Fourth Proportional to 9,100.31, 13,650.53 and 3,177.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,100.31 : 13,650.53 = 3,177.18 : x
2. Step 2: Convert to fraction form
   9,100.31/13,650.53 = 3,177.18/x
3. Step 3: Cross multiply
   9,100.31x = 13,650.53 × 3,177.18
4. Step 4: Simplify right side
   9,100.31x = 43,370,190.91
5. Step 5: Solve for x
   x = 43,370,190.91/9,100.31
6. Step 6: Final answer
   x = 4,765.79