Finding the Fourth Proportional to 1,478.82, 2,200.74 and 1,429.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,478.82 : 2,200.74 = 1,429.59 : x
2. Step 2: Convert to fraction form
   1,478.82/2,200.74 = 1,429.59/x
3. Step 3: Cross multiply
   1,478.82x = 2,200.74 × 1,429.59
4. Step 4: Simplify right side
   1,478.82x = 3,146,155.90
5. Step 5: Solve for x
   x = 3,146,155.90/1,478.82
6. Step 6: Final answer
   x = 2,127.48