Finding the Fourth Proportional to 13,698.52, 18,903.98 and 7,410.89

Step by Step Solution

1. Step 1: Write the proportion equation
   13,698.52 : 18,903.98 = 7,410.89 : x
2. Step 2: Convert to fraction form
   13,698.52/18,903.98 = 7,410.89/x
3. Step 3: Cross multiply
   13,698.52x = 18,903.98 × 7,410.89
4. Step 4: Simplify right side
   13,698.52x = 140,095,382.13
5. Step 5: Solve for x
   x = 140,095,382.13/13,698.52
6. Step 6: Final answer
   x = 10,227.05