Finding the Fourth Proportional to 1,458.50, 2,187.83 and 1,384.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,458.50 : 2,187.83 = 1,384.69 : x
2. Step 2: Convert to fraction form
   1,458.50/2,187.83 = 1,384.69/x
3. Step 3: Cross multiply
   1,458.50x = 2,187.83 × 1,384.69
4. Step 4: Simplify right side
   1,458.50x = 3,029,466.32
5. Step 5: Solve for x
   x = 3,029,466.32/1,458.50
6. Step 6: Final answer
   x = 2,077.11