Finding the Fourth Proportional to 2,375.31, 3,564.18 and 1,059.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,375.31 : 3,564.18 = 1,059.47 : x
2. Step 2: Convert to fraction form
   2,375.31/3,564.18 = 1,059.47/x
3. Step 3: Cross multiply
   2,375.31x = 3,564.18 × 1,059.47
4. Step 4: Simplify right side
   2,375.31x = 3,776,141.78
5. Step 5: Solve for x
   x = 3,776,141.78/2,375.31
6. Step 6: Final answer
   x = 1,589.75