Finding the Fourth Proportional to 7,389.13, 10,196.68 and 4,031.89

Step by Step Solution

1. Step 1: Write the proportion equation
   7,389.13 : 10,196.68 = 4,031.89 : x
2. Step 2: Convert to fraction form
   7,389.13/10,196.68 = 4,031.89/x
3. Step 3: Cross multiply
   7,389.13x = 10,196.68 × 4,031.89
4. Step 4: Simplify right side
   7,389.13x = 41,111,892.13
5. Step 5: Solve for x
   x = 41,111,892.13/7,389.13
6. Step 6: Final answer
   x = 5,563.83