Finding the Fourth Proportional to 1,300.74, 1,951.92 and 570.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.74 : 1,951.92 = 570.93 : x
2. Step 2: Convert to fraction form
   1,300.74/1,951.92 = 570.93/x
3. Step 3: Cross multiply
   1,300.74x = 1,951.92 × 570.93
4. Step 4: Simplify right side
   1,300.74x = 1,114,409.69
5. Step 5: Solve for x
   x = 1,114,409.69/1,300.74
6. Step 6: Final answer
   x = 856.75