Finding the Fourth Proportional to 10,128.37, 13,977.41 and 5,653.00

Step by Step Solution

1. Step 1: Write the proportion equation
   10,128.37 : 13,977.41 = 5,653.00 : x
2. Step 2: Convert to fraction form
   10,128.37/13,977.41 = 5,653.00/x
3. Step 3: Cross multiply
   10,128.37x = 13,977.41 × 5,653.00
4. Step 4: Simplify right side
   10,128.37x = 79,014,200.58
5. Step 5: Solve for x
   x = 79,014,200.58/10,128.37
6. Step 6: Final answer
   x = 7,801.28