Finding the Fourth Proportional to 7,612.77, 11,407.37 and 5,277.33

Step by Step Solution

1. Step 1: Write the proportion equation
   7,612.77 : 11,407.37 = 5,277.33 : x
2. Step 2: Convert to fraction form
   7,612.77/11,407.37 = 5,277.33/x
3. Step 3: Cross multiply
   7,612.77x = 11,407.37 × 5,277.33
4. Step 4: Simplify right side
   7,612.77x = 60,200,429.54
5. Step 5: Solve for x
   x = 60,200,429.54/7,612.77
6. Step 6: Final answer
   x = 7,907.82