Finding the Fourth Proportional to 1,570.32, 2,355.89 and 1,293.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,570.32 : 2,355.89 = 1,293.17 : x
2. Step 2: Convert to fraction form
   1,570.32/2,355.89 = 1,293.17/x
3. Step 3: Cross multiply
   1,570.32x = 2,355.89 × 1,293.17
4. Step 4: Simplify right side
   1,570.32x = 3,046,548.03
5. Step 5: Solve for x
   x = 3,046,548.03/1,570.32
6. Step 6: Final answer
   x = 1,940.08