Finding the Fourth Proportional to 10,647.18, 14,693.40 and 5,931.77

Step by Step Solution

1. Step 1: Write the proportion equation
   10,647.18 : 14,693.40 = 5,931.77 : x
2. Step 2: Convert to fraction form
   10,647.18/14,693.40 = 5,931.77/x
3. Step 3: Cross multiply
   10,647.18x = 14,693.40 × 5,931.77
4. Step 4: Simplify right side
   10,647.18x = 87,157,795.85
5. Step 5: Solve for x
   x = 87,157,795.85/10,647.18
6. Step 6: Final answer
   x = 8,186.00