Finding the Fourth Proportional to 1,487.83, 2,216.03 and 1,409.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,487.83 : 2,216.03 = 1,409.77 : x
2. Step 2: Convert to fraction form
   1,487.83/2,216.03 = 1,409.77/x
3. Step 3: Cross multiply
   1,487.83x = 2,216.03 × 1,409.77
4. Step 4: Simplify right side
   1,487.83x = 3,124,092.61
5. Step 5: Solve for x
   x = 3,124,092.61/1,487.83
6. Step 6: Final answer
   x = 2,099.76