Finding the Fourth Proportional to 1,051.52, 1,574.72 and 914.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,051.52 : 1,574.72 = 914.56 : x
2. Step 2: Convert to fraction form
   1,051.52/1,574.72 = 914.56/x
3. Step 3: Cross multiply
   1,051.52x = 1,574.72 × 914.56
4. Step 4: Simplify right side
   1,051.52x = 1,440,175.92
5. Step 5: Solve for x
   x = 1,440,175.92/1,051.52
6. Step 6: Final answer
   x = 1,369.61