Finding the Fourth Proportional to 10,474.21, 14,460.78 and 7,286.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,474.21 : 14,460.78 = 7,286.32 : x
2. Step 2: Convert to fraction form
   10,474.21/14,460.78 = 7,286.32/x
3. Step 3: Cross multiply
   10,474.21x = 14,460.78 × 7,286.32
4. Step 4: Simplify right side
   10,474.21x = 105,365,870.53
5. Step 5: Solve for x
   x = 105,365,870.53/10,474.21
6. Step 6: Final answer
   x = 10,059.55