Finding the Fourth Proportional to 1,801.31, 2,701.94 and 1,074.13

Step by Step Solution

1. Step 1: Write the proportion equation
   1,801.31 : 2,701.94 = 1,074.13 : x
2. Step 2: Convert to fraction form
   1,801.31/2,701.94 = 1,074.13/x
3. Step 3: Cross multiply
   1,801.31x = 2,701.94 × 1,074.13
4. Step 4: Simplify right side
   1,801.31x = 2,902,222.69
5. Step 5: Solve for x
   x = 2,902,222.69/1,801.31
6. Step 6: Final answer
   x = 1,611.18