Finding the Fourth Proportional to 5,105.51, 7,642.34 and 3,932.48

Step by Step Solution

1. Step 1: Write the proportion equation
   5,105.51 : 7,642.34 = 3,932.48 : x
2. Step 2: Convert to fraction form
   5,105.51/7,642.34 = 3,932.48/x
3. Step 3: Cross multiply
   5,105.51x = 7,642.34 × 3,932.48
4. Step 4: Simplify right side
   5,105.51x = 30,053,320.82
5. Step 5: Solve for x
   x = 30,053,320.82/5,105.51
6. Step 6: Final answer
   x = 5,886.45