Finding the Fourth Proportional to 9,308.72, 13,965.31 and 2,734.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,308.72 : 13,965.31 = 2,734.76 : x
2. Step 2: Convert to fraction form
   9,308.72/13,965.31 = 2,734.76/x
3. Step 3: Cross multiply
   9,308.72x = 13,965.31 × 2,734.76
4. Step 4: Simplify right side
   9,308.72x = 38,191,809.51
5. Step 5: Solve for x
   x = 38,191,809.51/9,308.72
6. Step 6: Final answer
   x = 4,102.80