Finding the Fourth Proportional to 1,758.96, 2,641.56 and 1,570.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,758.96 : 2,641.56 = 1,570.80 : x
2. Step 2: Convert to fraction form
   1,758.96/2,641.56 = 1,570.80/x
3. Step 3: Cross multiply
   1,758.96x = 2,641.56 × 1,570.80
4. Step 4: Simplify right side
   1,758.96x = 4,149,362.45
5. Step 5: Solve for x
   x = 4,149,362.45/1,758.96
6. Step 6: Final answer
   x = 2,358.99