Finding the Fourth Proportional to 13,698.15, 18,903.47 and 7,410.52

Step by Step Solution

1. Step 1: Write the proportion equation
   13,698.15 : 18,903.47 = 7,410.52 : x
2. Step 2: Convert to fraction form
   13,698.15/18,903.47 = 7,410.52/x
3. Step 3: Cross multiply
   13,698.15x = 18,903.47 × 7,410.52
4. Step 4: Simplify right side
   13,698.15x = 140,084,542.50
5. Step 5: Solve for x
   x = 140,084,542.50/13,698.15
6. Step 6: Final answer
   x = 10,226.53