Finding the Fourth Proportional to 4,268.72, 6,402.30 and 1,148.00

Step by Step Solution

1. Step 1: Write the proportion equation
   4,268.72 : 6,402.30 = 1,148.00 : x
2. Step 2: Convert to fraction form
   4,268.72/6,402.30 = 1,148.00/x
3. Step 3: Cross multiply
   4,268.72x = 6,402.30 × 1,148.00
4. Step 4: Simplify right side
   4,268.72x = 7,349,807.31
5. Step 5: Solve for x
   x = 7,349,807.31/4,268.72
6. Step 6: Final answer
   x = 1,721.78