Finding the Fourth Proportional to 1,035.47, 1,429.10 and 663.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,035.47 : 1,429.10 = 663.33 : x
2. Step 2: Convert to fraction form
   1,035.47/1,429.10 = 663.33/x
3. Step 3: Cross multiply
   1,035.47x = 1,429.10 × 663.33
4. Step 4: Simplify right side
   1,035.47x = 947,973.16
5. Step 5: Solve for x
   x = 947,973.16/1,035.47
6. Step 6: Final answer
   x = 915.50