Finding the Fourth Proportional to 10,458.24, 14,434.88 and 7,977.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,458.24 : 14,434.88 = 7,977.60 : x
2. Step 2: Convert to fraction form
   10,458.24/14,434.88 = 7,977.60/x
3. Step 3: Cross multiply
   10,458.24x = 14,434.88 × 7,977.60
4. Step 4: Simplify right side
   10,458.24x = 115,155,698.69
5. Step 5: Solve for x
   x = 115,155,698.69/10,458.24
6. Step 6: Final answer
   x = 11,011.00