Finding the Fourth Proportional to 2,064.72, 2,851.56 and 1,402.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,064.72 : 2,851.56 = 1,402.68 : x
2. Step 2: Convert to fraction form
   2,064.72/2,851.56 = 1,402.68/x
3. Step 3: Cross multiply
   2,064.72x = 2,851.56 × 1,402.68
4. Step 4: Simplify right side
   2,064.72x = 3,999,826.18
5. Step 5: Solve for x
   x = 3,999,826.18/2,064.72
6. Step 6: Final answer
   x = 1,937.22