Finding the Fourth Proportional to 13,698.52, 18,903.92 and 7,410.88

Step by Step Solution

1. Step 1: Write the proportion equation
   13,698.52 : 18,903.92 = 7,410.88 : x
2. Step 2: Convert to fraction form
   13,698.52/18,903.92 = 7,410.88/x
3. Step 3: Cross multiply
   13,698.52x = 18,903.92 × 7,410.88
4. Step 4: Simplify right side
   13,698.52x = 140,094,682.65
5. Step 5: Solve for x
   x = 140,094,682.65/13,698.52
6. Step 6: Final answer
   x = 10,226.99