Finding the Fourth Proportional to 1,880.67, 2,818.71 and 1,416.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,880.67 : 2,818.71 = 1,416.96 : x
2. Step 2: Convert to fraction form
   1,880.67/2,818.71 = 1,416.96/x
3. Step 3: Cross multiply
   1,880.67x = 2,818.71 × 1,416.96
4. Step 4: Simplify right side
   1,880.67x = 3,993,999.32
5. Step 5: Solve for x
   x = 3,993,999.32/1,880.67
6. Step 6: Final answer
   x = 2,123.71