Finding the Fourth Proportional to 7,495.77, 10,344.84 and 4,139.31

Step by Step Solution

1. Step 1: Write the proportion equation
   7,495.77 : 10,344.84 = 4,139.31 : x
2. Step 2: Convert to fraction form
   7,495.77/10,344.84 = 4,139.31/x
3. Step 3: Cross multiply
   7,495.77x = 10,344.84 × 4,139.31
4. Step 4: Simplify right side
   7,495.77x = 42,820,499.66
5. Step 5: Solve for x
   x = 42,820,499.66/7,495.77
6. Step 6: Final answer
   x = 5,712.62