Finding the Fourth Proportional to 2,100.72, 2,899.82 and 1,401.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100.72 : 2,899.82 = 1,401.84 : x
2. Step 2: Convert to fraction form
   2,100.72/2,899.82 = 1,401.84/x
3. Step 3: Cross multiply
   2,100.72x = 2,899.82 × 1,401.84
4. Step 4: Simplify right side
   2,100.72x = 4,065,083.67
5. Step 5: Solve for x
   x = 4,065,083.67/2,100.72
6. Step 6: Final answer
   x = 1,935.09