Finding the Fourth Proportional to 10,428.77, 14,390.37 and 5,951.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,428.77 : 14,390.37 = 5,951.34 : x
2. Step 2: Convert to fraction form
   10,428.77/14,390.37 = 5,951.34/x
3. Step 3: Cross multiply
   10,428.77x = 14,390.37 × 5,951.34
4. Step 4: Simplify right side
   10,428.77x = 85,641,984.60
5. Step 5: Solve for x
   x = 85,641,984.60/10,428.77
6. Step 6: Final answer
   x = 8,212.09