Finding the Fourth Proportional to 1,141.88, 1,713.04 and 361.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,141.88 : 1,713.04 = 361.99 : x
2. Step 2: Convert to fraction form
   1,141.88/1,713.04 = 361.99/x
3. Step 3: Cross multiply
   1,141.88x = 1,713.04 × 361.99
4. Step 4: Simplify right side
   1,141.88x = 620,104.59
5. Step 5: Solve for x
   x = 620,104.59/1,141.88
6. Step 6: Final answer
   x = 543.06