Finding the Fourth Proportional to 10,325.81, 15,468.06 and 7,977.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,325.81 : 15,468.06 = 7,977.62 : x
2. Step 2: Convert to fraction form
   10,325.81/15,468.06 = 7,977.62/x
3. Step 3: Cross multiply
   10,325.81x = 15,468.06 × 7,977.62
4. Step 4: Simplify right side
   10,325.81x = 123,398,304.82
5. Step 5: Solve for x
   x = 123,398,304.82/10,325.81
6. Step 6: Final answer
   x = 11,950.47