Finding the Fourth Proportional to 1,300.60, 1,950.50 and 570

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.60 : 1,950.50 = 570 : x
2. Step 2: Convert to fraction form
   1,300.60/1,950.50 = 570/x
3. Step 3: Cross multiply
   1,300.60x = 1,950.50 × 570
4. Step 4: Simplify right side
   1,300.60x = 1,111,785
5. Step 5: Solve for x
   x = 1,111,785/1,300.60
6. Step 6: Final answer
   x = 854.82