Finding the Fourth Proportional to 13,025.76, 17,977.02 and 7,362.78

Step by Step Solution

1. Step 1: Write the proportion equation
   13,025.76 : 17,977.02 = 7,362.78 : x
2. Step 2: Convert to fraction form
   13,025.76/17,977.02 = 7,362.78/x
3. Step 3: Cross multiply
   13,025.76x = 17,977.02 × 7,362.78
4. Step 4: Simplify right side
   13,025.76x = 132,360,843.32
5. Step 5: Solve for x
   x = 132,360,843.32/13,025.76
6. Step 6: Final answer
   x = 10,161.47