Finding the Fourth Proportional to 2,013.76, 3,019.82 and 626.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,013.76 : 3,019.82 = 626.63 : x
2. Step 2: Convert to fraction form
   2,013.76/3,019.82 = 626.63/x
3. Step 3: Cross multiply
   2,013.76x = 3,019.82 × 626.63
4. Step 4: Simplify right side
   2,013.76x = 1,892,309.81
5. Step 5: Solve for x
   x = 1,892,309.81/2,013.76
6. Step 6: Final answer
   x = 939.69