Finding the Fourth Proportional to 1,071.92, 1,483.29 and 914.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,071.92 : 1,483.29 = 914.30 : x
2. Step 2: Convert to fraction form
   1,071.92/1,483.29 = 914.30/x
3. Step 3: Cross multiply
   1,071.92x = 1,483.29 × 914.30
4. Step 4: Simplify right side
   1,071.92x = 1,356,172.05
5. Step 5: Solve for x
   x = 1,356,172.05/1,071.92
6. Step 6: Final answer
   x = 1,265.18