Finding the Fourth Proportional to 11,540.32, 17,338.16 and 7,388.46

Step by Step Solution

1. Step 1: Write the proportion equation
   11,540.32 : 17,338.16 = 7,388.46 : x
2. Step 2: Convert to fraction form
   11,540.32/17,338.16 = 7,388.46/x
3. Step 3: Cross multiply
   11,540.32x = 17,338.16 × 7,388.46
4. Step 4: Simplify right side
   11,540.32x = 128,102,301.63
5. Step 5: Solve for x
   x = 128,102,301.63/11,540.32
6. Step 6: Final answer
   x = 11,100.41