Finding the Fourth Proportional to 1,623.62, 2,437.86 and 1,404.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,623.62 : 2,437.86 = 1,404.92 : x
2. Step 2: Convert to fraction form
   1,623.62/2,437.86 = 1,404.92/x
3. Step 3: Cross multiply
   1,623.62x = 2,437.86 × 1,404.92
4. Step 4: Simplify right side
   1,623.62x = 3,424,998.27
5. Step 5: Solve for x
   x = 3,424,998.27/1,623.62
6. Step 6: Final answer
   x = 2,109.48