Finding the Fourth Proportional to 1,758, 2,426.10 and 1,138.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,758 : 2,426.10 = 1,138.08 : x
2. Step 2: Convert to fraction form
   1,758/2,426.10 = 1,138.08/x
3. Step 3: Cross multiply
   1,758x = 2,426.10 × 1,138.08
4. Step 4: Simplify right side
   1,758x = 2,761,095.89
5. Step 5: Solve for x
   x = 2,761,095.89/1,758
6. Step 6: Final answer
   x = 1,570.59