Finding the Fourth Proportional to 7,389.12, 10,196.96 and 4,031.91

Step by Step Solution

1. Step 1: Write the proportion equation
   7,389.12 : 10,196.96 = 4,031.91 : x
2. Step 2: Convert to fraction form
   7,389.12/10,196.96 = 4,031.91/x
3. Step 3: Cross multiply
   7,389.12x = 10,196.96 × 4,031.91
4. Step 4: Simplify right side
   7,389.12x = 41,113,204.83
5. Step 5: Solve for x
   x = 41,113,204.83/7,389.12
6. Step 6: Final answer
   x = 5,564.02