Finding the Fourth Proportional to 9,317.15, 13,976.17 and 3,077.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,317.15 : 13,976.17 = 3,077.02 : x
2. Step 2: Convert to fraction form
   9,317.15/13,976.17 = 3,077.02/x
3. Step 3: Cross multiply
   9,317.15x = 13,976.17 × 3,077.02
4. Step 4: Simplify right side
   9,317.15x = 43,004,954.61
5. Step 5: Solve for x
   x = 43,004,954.61/9,317.15
6. Step 6: Final answer
   x = 4,615.68