Finding the Fourth Proportional to 10,362.78, 14,304.95 and 7,845.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,362.78 : 14,304.95 = 7,845.62 : x
2. Step 2: Convert to fraction form
   10,362.78/14,304.95 = 7,845.62/x
3. Step 3: Cross multiply
   10,362.78x = 14,304.95 × 7,845.62
4. Step 4: Simplify right side
   10,362.78x = 112,231,091.07
5. Step 5: Solve for x
   x = 112,231,091.07/10,362.78
6. Step 6: Final answer
   x = 10,830.21