Finding the Fourth Proportional to 1,300.88, 1,949.28 and 569.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.88 : 1,949.28 = 569.12 : x
2. Step 2: Convert to fraction form
   1,300.88/1,949.28 = 569.12/x
3. Step 3: Cross multiply
   1,300.88x = 1,949.28 × 569.12
4. Step 4: Simplify right side
   1,300.88x = 1,109,374.23
5. Step 5: Solve for x
   x = 1,109,374.23/1,300.88
6. Step 6: Final answer
   x = 852.79