Finding the Fourth Proportional to 6,288.72, 9,434.02 and 1,905.52

Step by Step Solution

1. Step 1: Write the proportion equation
   6,288.72 : 9,434.02 = 1,905.52 : x
2. Step 2: Convert to fraction form
   6,288.72/9,434.02 = 1,905.52/x
3. Step 3: Cross multiply
   6,288.72x = 9,434.02 × 1,905.52
4. Step 4: Simplify right side
   6,288.72x = 17,976,713.79
5. Step 5: Solve for x
   x = 17,976,713.79/6,288.72
6. Step 6: Final answer
   x = 2,858.56