Finding the Fourth Proportional to 2,237.35, 3,087.74 and 1,242.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,237.35 : 3,087.74 = 1,242.82 : x
2. Step 2: Convert to fraction form
   2,237.35/3,087.74 = 1,242.82/x
3. Step 3: Cross multiply
   2,237.35x = 3,087.74 × 1,242.82
4. Step 4: Simplify right side
   2,237.35x = 3,837,505.00
5. Step 5: Solve for x
   x = 3,837,505.00/2,237.35
6. Step 6: Final answer
   x = 1,715.20