Finding the Fourth Proportional to 10,098.78, 13,935.98 and 5,622.38

Step by Step Solution

1. Step 1: Write the proportion equation
   10,098.78 : 13,935.98 = 5,622.38 : x
2. Step 2: Convert to fraction form
   10,098.78/13,935.98 = 5,622.38/x
3. Step 3: Cross multiply
   10,098.78x = 13,935.98 × 5,622.38
4. Step 4: Simplify right side
   10,098.78x = 78,353,389.29
5. Step 5: Solve for x
   x = 78,353,389.29/10,098.78
6. Step 6: Final answer
   x = 7,758.70