Finding the Fourth Proportional to 1,858.52, 2,558.41 and 1,437.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,858.52 : 2,558.41 = 1,437.52 : x
2. Step 2: Convert to fraction form
   1,858.52/2,558.41 = 1,437.52/x
3. Step 3: Cross multiply
   1,858.52x = 2,558.41 × 1,437.52
4. Step 4: Simplify right side
   1,858.52x = 3,677,771.59
5. Step 5: Solve for x
   x = 3,677,771.59/1,858.52
6. Step 6: Final answer
   x = 1,978.87