Finding the Fourth Proportional to 7,389.48, 10,201.25 and 5,707.11

Step by Step Solution

1. Step 1: Write the proportion equation
   7,389.48 : 10,201.25 = 5,707.11 : x
2. Step 2: Convert to fraction form
   7,389.48/10,201.25 = 5,707.11/x
3. Step 3: Cross multiply
   7,389.48x = 10,201.25 × 5,707.11
4. Step 4: Simplify right side
   7,389.48x = 58,219,655.89
5. Step 5: Solve for x
   x = 58,219,655.89/7,389.48
6. Step 6: Final answer
   x = 7,878.72