Finding the Fourth Proportional to 1,300.64, 1,951.38 and 569.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.64 : 1,951.38 = 569.72 : x
2. Step 2: Convert to fraction form
   1,300.64/1,951.38 = 569.72/x
3. Step 3: Cross multiply
   1,300.64x = 1,951.38 × 569.72
4. Step 4: Simplify right side
   1,300.64x = 1,111,740.21
5. Step 5: Solve for x
   x = 1,111,740.21/1,300.64
6. Step 6: Final answer
   x = 854.76