Finding the Fourth Proportional to 1,601.15, 2,389.32 and 1,416.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,601.15 : 2,389.32 = 1,416.62 : x
2. Step 2: Convert to fraction form
   1,601.15/2,389.32 = 1,416.62/x
3. Step 3: Cross multiply
   1,601.15x = 2,389.32 × 1,416.62
4. Step 4: Simplify right side
   1,601.15x = 3,384,764.47
5. Step 5: Solve for x
   x = 3,384,764.47/1,601.15
6. Step 6: Final answer
   x = 2,113.96