Finding the Fourth Proportional to 9,421.04, 14,131.83 and 5,258.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,421.04 : 14,131.83 = 5,258.72 : x
2. Step 2: Convert to fraction form
   9,421.04/14,131.83 = 5,258.72/x
3. Step 3: Cross multiply
   9,421.04x = 14,131.83 × 5,258.72
4. Step 4: Simplify right side
   9,421.04x = 74,315,337.06
5. Step 5: Solve for x
   x = 74,315,337.06/9,421.04
6. Step 6: Final answer
   x = 7,888.23