Finding the Fourth Proportional to 10,431.31, 14,393.82 and 5,954.77

Step by Step Solution

1. Step 1: Write the proportion equation
   10,431.31 : 14,393.82 = 5,954.77 : x
2. Step 2: Convert to fraction form
   10,431.31/14,393.82 = 5,954.77/x
3. Step 3: Cross multiply
   10,431.31x = 14,393.82 × 5,954.77
4. Step 4: Simplify right side
   10,431.31x = 85,711,887.52
5. Step 5: Solve for x
   x = 85,711,887.52/10,431.31
6. Step 6: Final answer
   x = 8,216.79