Finding the Fourth Proportional to 1,100.16, 1,518.35 and 634.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.16 : 1,518.35 = 634.41 : x
2. Step 2: Convert to fraction form
   1,100.16/1,518.35 = 634.41/x
3. Step 3: Cross multiply
   1,100.16x = 1,518.35 × 634.41
4. Step 4: Simplify right side
   1,100.16x = 963,253.25
5. Step 5: Solve for x
   x = 963,253.25/1,100.16
6. Step 6: Final answer
   x = 875.56