Finding the Fourth Proportional to 1,100.76, 1,518.96 and 635.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.76 : 1,518.96 = 635.04 : x
2. Step 2: Convert to fraction form
   1,100.76/1,518.96 = 635.04/x
3. Step 3: Cross multiply
   1,100.76x = 1,518.96 × 635.04
4. Step 4: Simplify right side
   1,100.76x = 964,600.36
5. Step 5: Solve for x
   x = 964,600.36/1,100.76
6. Step 6: Final answer
   x = 876.30