Finding the Fourth Proportional to 3,886.52, 5,830.27 and 1,422.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,886.52 : 5,830.27 = 1,422.50 : x
2. Step 2: Convert to fraction form
   3,886.52/5,830.27 = 1,422.50/x
3. Step 3: Cross multiply
   3,886.52x = 5,830.27 × 1,422.50
4. Step 4: Simplify right side
   3,886.52x = 8,293,526.37
5. Step 5: Solve for x
   x = 8,293,526.37/3,886.52
6. Step 6: Final answer
   x = 2,133.92