Finding the Fourth Proportional to 12,653.58, 17,460.61 and 7,347.36

Step by Step Solution

1. Step 1: Write the proportion equation
   12,653.58 : 17,460.61 = 7,347.36 : x
2. Step 2: Convert to fraction form
   12,653.58/17,460.61 = 7,347.36/x
3. Step 3: Cross multiply
   12,653.58x = 17,460.61 × 7,347.36
4. Step 4: Simplify right side
   12,653.58x = 128,289,387.49
5. Step 5: Solve for x
   x = 128,289,387.49/12,653.58
6. Step 6: Final answer
   x = 10,138.58