Finding the Fourth Proportional to 1,841.72, 2,758.88 and 914.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,841.72 : 2,758.88 = 914.48 : x
2. Step 2: Convert to fraction form
   1,841.72/2,758.88 = 914.48/x
3. Step 3: Cross multiply
   1,841.72x = 2,758.88 × 914.48
4. Step 4: Simplify right side
   1,841.72x = 2,522,922.22
5. Step 5: Solve for x
   x = 2,522,922.22/1,841.72
6. Step 6: Final answer
   x = 1,369.88