Finding the Fourth Proportional to 10,429.02, 14,395.07 and 5,955.21

Step by Step Solution

1. Step 1: Write the proportion equation
   10,429.02 : 14,395.07 = 5,955.21 : x
2. Step 2: Convert to fraction form
   10,429.02/14,395.07 = 5,955.21/x
3. Step 3: Cross multiply
   10,429.02x = 14,395.07 × 5,955.21
4. Step 4: Simplify right side
   10,429.02x = 85,725,635.04
5. Step 5: Solve for x
   x = 85,725,635.04/10,429.02
6. Step 6: Final answer
   x = 8,219.91