Finding the Fourth Proportional to 2,139.69, 2,948.70 and 1,475.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,139.69 : 2,948.70 = 1,475.34 : x
2. Step 2: Convert to fraction form
   2,139.69/2,948.70 = 1,475.34/x
3. Step 3: Cross multiply
   2,139.69x = 2,948.70 × 1,475.34
4. Step 4: Simplify right side
   2,139.69x = 4,350,335.06
5. Step 5: Solve for x
   x = 4,350,335.06/2,139.69
6. Step 6: Final answer
   x = 2,033.16