Finding the Fourth Proportional to 1,402.72, 2,100.84 and 1,354.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,402.72 : 2,100.84 = 1,354.12 : x
2. Step 2: Convert to fraction form
   1,402.72/2,100.84 = 1,354.12/x
3. Step 3: Cross multiply
   1,402.72x = 2,100.84 × 1,354.12
4. Step 4: Simplify right side
   1,402.72x = 2,844,789.46
5. Step 5: Solve for x
   x = 2,844,789.46/1,402.72
6. Step 6: Final answer
   x = 2,028.05