Finding the Fourth Proportional to 9,101.30, 13,651.37 and 3,177.77

Step by Step Solution

1. Step 1: Write the proportion equation
   9,101.30 : 13,651.37 = 3,177.77 : x
2. Step 2: Convert to fraction form
   9,101.30/13,651.37 = 3,177.77/x
3. Step 3: Cross multiply
   9,101.30x = 13,651.37 × 3,177.77
4. Step 4: Simplify right side
   9,101.30x = 43,380,841.82
5. Step 5: Solve for x
   x = 43,380,841.82/9,101.30
6. Step 6: Final answer
   x = 4,766.45