Finding the Fourth Proportional to 2,538.89, 3,806.70 and 1,059.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,538.89 : 3,806.70 = 1,059.14 : x
2. Step 2: Convert to fraction form
   2,538.89/3,806.70 = 1,059.14/x
3. Step 3: Cross multiply
   2,538.89x = 3,806.70 × 1,059.14
4. Step 4: Simplify right side
   2,538.89x = 4,031,809.20
5. Step 5: Solve for x
   x = 4,031,809.20/2,538.89
6. Step 6: Final answer
   x = 1,588.02