Finding the Fourth Proportional to 1,902.69, 2,624.40 and 1,373.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,902.69 : 2,624.40 = 1,373.71 : x
2. Step 2: Convert to fraction form
   1,902.69/2,624.40 = 1,373.71/x
3. Step 3: Cross multiply
   1,902.69x = 2,624.40 × 1,373.71
4. Step 4: Simplify right side
   1,902.69x = 3,605,162.88
5. Step 5: Solve for x
   x = 3,605,162.88/1,902.69
6. Step 6: Final answer
   x = 1,894.77