Finding the Fourth Proportional to 3,100.52, 4,279.80 and 1,858.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,100.52 : 4,279.80 = 1,858.52 : x
2. Step 2: Convert to fraction form
   3,100.52/4,279.80 = 1,858.52/x
3. Step 3: Cross multiply
   3,100.52x = 4,279.80 × 1,858.52
4. Step 4: Simplify right side
   3,100.52x = 7,954,093.90
5. Step 5: Solve for x
   x = 7,954,093.90/3,100.52
6. Step 6: Final answer
   x = 2,565.41