Finding the Fourth Proportional to 1,015.96, 1,522.34 and 740.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,015.96 : 1,522.34 = 740.78 : x
2. Step 2: Convert to fraction form
   1,015.96/1,522.34 = 740.78/x
3. Step 3: Cross multiply
   1,015.96x = 1,522.34 × 740.78
4. Step 4: Simplify right side
   1,015.96x = 1,127,719.03
5. Step 5: Solve for x
   x = 1,127,719.03/1,015.96
6. Step 6: Final answer
   x = 1,110.00