Finding the Fourth Proportional to 10,431.51, 14,395.89 and 5,955.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,431.51 : 14,395.89 = 5,955.30 : x
2. Step 2: Convert to fraction form
   10,431.51/14,395.89 = 5,955.30/x
3. Step 3: Cross multiply
   10,431.51x = 14,395.89 × 5,955.30
4. Step 4: Simplify right side
   10,431.51x = 85,731,843.72
5. Step 5: Solve for x
   x = 85,731,843.72/10,431.51
6. Step 6: Final answer
   x = 8,218.55