Finding the Fourth Proportional to 1,900.68, 2,624.58 and 1,404.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,900.68 : 2,624.58 = 1,404.18 : x
2. Step 2: Convert to fraction form
   1,900.68/2,624.58 = 1,404.18/x
3. Step 3: Cross multiply
   1,900.68x = 2,624.58 × 1,404.18
4. Step 4: Simplify right side
   1,900.68x = 3,685,382.74
5. Step 5: Solve for x
   x = 3,685,382.74/1,900.68
6. Step 6: Final answer
   x = 1,938.98