Finding the Fourth Proportional to 10,421.01, 14,381.04 and 5,705.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,421.01 : 14,381.04 = 5,705.31 : x
2. Step 2: Convert to fraction form
   10,421.01/14,381.04 = 5,705.31/x
3. Step 3: Cross multiply
   10,421.01x = 14,381.04 × 5,705.31
4. Step 4: Simplify right side
   10,421.01x = 82,048,291.32
5. Step 5: Solve for x
   x = 82,048,291.32/10,421.01
6. Step 6: Final answer
   x = 7,873.35