Finding the Fourth Proportional to 1,841.59, 2,760.72 and 917.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,841.59 : 2,760.72 = 917.43 : x
2. Step 2: Convert to fraction form
   1,841.59/2,760.72 = 917.43/x
3. Step 3: Cross multiply
   1,841.59x = 2,760.72 × 917.43
4. Step 4: Simplify right side
   1,841.59x = 2,532,769.09
5. Step 5: Solve for x
   x = 2,532,769.09/1,841.59
6. Step 6: Final answer
   x = 1,375.32