Finding the Fourth Proportional to 8,068.70, 12,098.78 and 2,521

Step by Step Solution

1. Step 1: Write the proportion equation
   8,068.70 : 12,098.78 = 2,521 : x
2. Step 2: Convert to fraction form
   8,068.70/12,098.78 = 2,521/x
3. Step 3: Cross multiply
   8,068.70x = 12,098.78 × 2,521
4. Step 4: Simplify right side
   8,068.70x = 30,501,024.38
5. Step 5: Solve for x
   x = 30,501,024.38/8,068.70
6. Step 6: Final answer
   x = 3,780.17