Finding the Fourth Proportional to 1,107.01, 1,529.34 and 729.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,107.01 : 1,529.34 = 729.82 : x
2. Step 2: Convert to fraction form
   1,107.01/1,529.34 = 729.82/x
3. Step 3: Cross multiply
   1,107.01x = 1,529.34 × 729.82
4. Step 4: Simplify right side
   1,107.01x = 1,116,139.10
5. Step 5: Solve for x
   x = 1,116,139.10/1,107.01
6. Step 6: Final answer
   x = 1,008.25