Finding the Fourth Proportional to 2,010, 3,013.86 and 622.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,010 : 3,013.86 = 622.98 : x
2. Step 2: Convert to fraction form
   2,010/3,013.86 = 622.98/x
3. Step 3: Cross multiply
   2,010x = 3,013.86 × 622.98
4. Step 4: Simplify right side
   2,010x = 1,877,574.50
5. Step 5: Solve for x
   x = 1,877,574.50/2,010
6. Step 6: Final answer
   x = 934.12