Finding the Fourth Proportional to 7,496.61, 10,345.32 and 4,139.43

Step by Step Solution

1. Step 1: Write the proportion equation
   7,496.61 : 10,345.32 = 4,139.43 : x
2. Step 2: Convert to fraction form
   7,496.61/10,345.32 = 4,139.43/x
3. Step 3: Cross multiply
   7,496.61x = 10,345.32 × 4,139.43
4. Step 4: Simplify right side
   7,496.61x = 42,823,764.83
5. Step 5: Solve for x
   x = 42,823,764.83/7,496.61
6. Step 6: Final answer
   x = 5,712.42