Finding the Fourth Proportional to 2,628.82, 3,937.14 and 1,886.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,628.82 : 3,937.14 = 1,886.50 : x
2. Step 2: Convert to fraction form
   2,628.82/3,937.14 = 1,886.50/x
3. Step 3: Cross multiply
   2,628.82x = 3,937.14 × 1,886.50
4. Step 4: Simplify right side
   2,628.82x = 7,427,414.61
5. Step 5: Solve for x
   x = 7,427,414.61/2,628.82
6. Step 6: Final answer
   x = 2,825.38