Finding the Fourth Proportional to 1,899.26, 2,620.71 and 1,059.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,899.26 : 2,620.71 = 1,059.86 : x
2. Step 2: Convert to fraction form
   1,899.26/2,620.71 = 1,059.86/x
3. Step 3: Cross multiply
   1,899.26x = 2,620.71 × 1,059.86
4. Step 4: Simplify right side
   1,899.26x = 2,777,585.70
5. Step 5: Solve for x
   x = 2,777,585.70/1,899.26
6. Step 6: Final answer
   x = 1,462.46