Finding the Fourth Proportional to 1,100.70, 1,518.96 and 603.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.70 : 1,518.96 = 603.34 : x
2. Step 2: Convert to fraction form
   1,100.70/1,518.96 = 603.34/x
3. Step 3: Cross multiply
   1,100.70x = 1,518.96 × 603.34
4. Step 4: Simplify right side
   1,100.70x = 916,449.33
5. Step 5: Solve for x
   x = 916,449.33/1,100.70
6. Step 6: Final answer
   x = 832.61