Finding the Fourth Proportional to 10,412.93, 14,369.88 and 5,697.21

Step by Step Solution

1. Step 1: Write the proportion equation
   10,412.93 : 14,369.88 = 5,697.21 : x
2. Step 2: Convert to fraction form
   10,412.93/14,369.88 = 5,697.21/x
3. Step 3: Cross multiply
   10,412.93x = 14,369.88 × 5,697.21
4. Step 4: Simplify right side
   10,412.93x = 81,868,242.85
5. Step 5: Solve for x
   x = 81,868,242.85/10,412.93
6. Step 6: Final answer
   x = 7,862.17