Finding the Fourth Proportional to 1,100.32, 1,517.94 and 634.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.32 : 1,517.94 = 634.56 : x
2. Step 2: Convert to fraction form
   1,100.32/1,517.94 = 634.56/x
3. Step 3: Cross multiply
   1,100.32x = 1,517.94 × 634.56
4. Step 4: Simplify right side
   1,100.32x = 963,224.01
5. Step 5: Solve for x
   x = 963,224.01/1,100.32
6. Step 6: Final answer
   x = 875.40