Finding the Fourth Proportional to 7,429.88, 10,253.69 and 4,286.06

Step by Step Solution

1. Step 1: Write the proportion equation
   7,429.88 : 10,253.69 = 4,286.06 : x
2. Step 2: Convert to fraction form
   7,429.88/10,253.69 = 4,286.06/x
3. Step 3: Cross multiply
   7,429.88x = 10,253.69 × 4,286.06
4. Step 4: Simplify right side
   7,429.88x = 43,947,934.77
5. Step 5: Solve for x
   x = 43,947,934.77/7,429.88
6. Step 6: Final answer
   x = 5,915.03