Finding the Fourth Proportional to 1,109.82, 1,520.46 and 1,068.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,109.82 : 1,520.46 = 1,068.30 : x
2. Step 2: Convert to fraction form
   1,109.82/1,520.46 = 1,068.30/x
3. Step 3: Cross multiply
   1,109.82x = 1,520.46 × 1,068.30
4. Step 4: Simplify right side
   1,109.82x = 1,624,307.42
5. Step 5: Solve for x
   x = 1,624,307.42/1,109.82
6. Step 6: Final answer
   x = 1,463.58