Finding the Fourth Proportional to 10,802.25, 14,912.10 and 7,618.14

Step by Step Solution

1. Step 1: Write the proportion equation
   10,802.25 : 14,912.10 = 7,618.14 : x
2. Step 2: Convert to fraction form
   10,802.25/14,912.10 = 7,618.14/x
3. Step 3: Cross multiply
   10,802.25x = 14,912.10 × 7,618.14
4. Step 4: Simplify right side
   10,802.25x = 113,602,465.49
5. Step 5: Solve for x
   x = 113,602,465.49/10,802.25
6. Step 6: Final answer
   x = 10,516.56