Finding the Fourth Proportional to 1,046.58, 1,568.71 and 525.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,046.58 : 1,568.71 = 525.54 : x
2. Step 2: Convert to fraction form
   1,046.58/1,568.71 = 525.54/x
3. Step 3: Cross multiply
   1,046.58x = 1,568.71 × 525.54
4. Step 4: Simplify right side
   1,046.58x = 824,419.85
5. Step 5: Solve for x
   x = 824,419.85/1,046.58
6. Step 6: Final answer
   x = 787.73