Finding the Fourth Proportional to 1,100.02, 1,518.15 and 634.26

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.02 : 1,518.15 = 634.26 : x
2. Step 2: Convert to fraction form
   1,100.02/1,518.15 = 634.26/x
3. Step 3: Cross multiply
   1,100.02x = 1,518.15 × 634.26
4. Step 4: Simplify right side
   1,100.02x = 962,901.82
5. Step 5: Solve for x
   x = 962,901.82/1,100.02
6. Step 6: Final answer
   x = 875.35