Finding the Fourth Proportional to 1,066.10, 1,599.15 and 635.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,066.10 : 1,599.15 = 635.18 : x
2. Step 2: Convert to fraction form
   1,066.10/1,599.15 = 635.18/x
3. Step 3: Cross multiply
   1,066.10x = 1,599.15 × 635.18
4. Step 4: Simplify right side
   1,066.10x = 1,015,748.10
5. Step 5: Solve for x
   x = 1,015,748.10/1,066.10
6. Step 6: Final answer
   x = 952.77