Finding the Fourth Proportional to 1,019.75, 1,526.18 and 556.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,019.75 : 1,526.18 = 556.29 : x
2. Step 2: Convert to fraction form
   1,019.75/1,526.18 = 556.29/x
3. Step 3: Cross multiply
   1,019.75x = 1,526.18 × 556.29
4. Step 4: Simplify right side
   1,019.75x = 848,995.89
5. Step 5: Solve for x
   x = 848,995.89/1,019.75
6. Step 6: Final answer
   x = 832.56