Finding the Fourth Proportional to 7,496.87, 10,345.68 and 4,139.69

Step by Step Solution

1. Step 1: Write the proportion equation
   7,496.87 : 10,345.68 = 4,139.69 : x
2. Step 2: Convert to fraction form
   7,496.87/10,345.68 = 4,139.69/x
3. Step 3: Cross multiply
   7,496.87x = 10,345.68 × 4,139.69
4. Step 4: Simplify right side
   7,496.87x = 42,827,914.51
5. Step 5: Solve for x
   x = 42,827,914.51/7,496.87
6. Step 6: Final answer
   x = 5,712.77