Finding the Fourth Proportional to 1,900.10, 2,618.25 and 1,401.95

Step by Step Solution

1. Step 1: Write the proportion equation
   1,900.10 : 2,618.25 = 1,401.95 : x
2. Step 2: Convert to fraction form
   1,900.10/2,618.25 = 1,401.95/x
3. Step 3: Cross multiply
   1,900.10x = 2,618.25 × 1,401.95
4. Step 4: Simplify right side
   1,900.10x = 3,670,655.59
5. Step 5: Solve for x
   x = 3,670,655.59/1,900.10
6. Step 6: Final answer
   x = 1,931.82