Finding the Fourth Proportional to 10,672.21, 14,727.65 and 5,892.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,672.21 : 14,727.65 = 5,892.15 : x
2. Step 2: Convert to fraction form
   10,672.21/14,727.65 = 5,892.15/x
3. Step 3: Cross multiply
   10,672.21x = 14,727.65 × 5,892.15
4. Step 4: Simplify right side
   10,672.21x = 86,777,522.95
5. Step 5: Solve for x
   x = 86,777,522.95/10,672.21
6. Step 6: Final answer
   x = 8,131.17