Finding the Fourth Proportional to 1,401.09, 2,085.10 and 1,354.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401.09 : 2,085.10 = 1,354.37 : x
2. Step 2: Convert to fraction form
   1,401.09/2,085.10 = 1,354.37/x
3. Step 3: Cross multiply
   1,401.09x = 2,085.10 × 1,354.37
4. Step 4: Simplify right side
   1,401.09x = 2,824,000.74
5. Step 5: Solve for x
   x = 2,824,000.74/1,401.09
6. Step 6: Final answer
   x = 2,015.57