Finding the Fourth Proportional to 2,100.16, 2,898.88 and 1,354.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100.16 : 2,898.88 = 1,354.13 : x
2. Step 2: Convert to fraction form
   2,100.16/2,898.88 = 1,354.13/x
3. Step 3: Cross multiply
   2,100.16x = 2,898.88 × 1,354.13
4. Step 4: Simplify right side
   2,100.16x = 3,925,442.49
5. Step 5: Solve for x
   x = 3,925,442.49/2,100.16
6. Step 6: Final answer
   x = 1,869.12