Finding the Fourth Proportional to 1,340.38, 1,850.21 and 836.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,340.38 : 1,850.21 = 836.00 : x
2. Step 2: Convert to fraction form
   1,340.38/1,850.21 = 836.00/x
3. Step 3: Cross multiply
   1,340.38x = 1,850.21 × 836.00
4. Step 4: Simplify right side
   1,340.38x = 1,546,782.61
5. Step 5: Solve for x
   x = 1,546,782.61/1,340.38
6. Step 6: Final answer
   x = 1,153.99