Finding the Fourth Proportional to 11,738.10, 17,612.80 and 7,294.56

Step by Step Solution

1. Step 1: Write the proportion equation
   11,738.10 : 17,612.80 = 7,294.56 : x
2. Step 2: Convert to fraction form
   11,738.10/17,612.80 = 7,294.56/x
3. Step 3: Cross multiply
   11,738.10x = 17,612.80 × 7,294.56
4. Step 4: Simplify right side
   11,738.10x = 128,477,626.37
5. Step 5: Solve for x
   x = 128,477,626.37/11,738.10
6. Step 6: Final answer
   x = 10,945.35