Finding the Fourth Proportional to 2,888.71, 4,333.59 and 914.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,888.71 : 4,333.59 = 914.83 : x
2. Step 2: Convert to fraction form
   2,888.71/4,333.59 = 914.83/x
3. Step 3: Cross multiply
   2,888.71x = 4,333.59 × 914.83
4. Step 4: Simplify right side
   2,888.71x = 3,964,498.14
5. Step 5: Solve for x
   x = 3,964,498.14/2,888.71
6. Step 6: Final answer
   x = 1,372.41