Finding the Fourth Proportional to 1,900.10, 2,618.24 and 1,401.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,900.10 : 2,618.24 = 1,401.96 : x
2. Step 2: Convert to fraction form
   1,900.10/2,618.24 = 1,401.96/x
3. Step 3: Cross multiply
   1,900.10x = 2,618.24 × 1,401.96
4. Step 4: Simplify right side
   1,900.10x = 3,670,667.75
5. Step 5: Solve for x
   x = 3,670,667.75/1,900.10
6. Step 6: Final answer
   x = 1,931.83