Finding the Fourth Proportional to 9,155.74, 13,734.69 and 2,913.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,155.74 : 13,734.69 = 2,913.56 : x
2. Step 2: Convert to fraction form
   9,155.74/13,734.69 = 2,913.56/x
3. Step 3: Cross multiply
   9,155.74x = 13,734.69 × 2,913.56
4. Step 4: Simplify right side
   9,155.74x = 40,016,877.73
5. Step 5: Solve for x
   x = 40,016,877.73/9,155.74
6. Step 6: Final answer
   x = 4,370.69