Finding the Fourth Proportional to 13,697.96, 18,903.18 and 7,410.32

Step by Step Solution

1. Step 1: Write the proportion equation
   13,697.96 : 18,903.18 = 7,410.32 : x
2. Step 2: Convert to fraction form
   13,697.96/18,903.18 = 7,410.32/x
3. Step 3: Cross multiply
   13,697.96x = 18,903.18 × 7,410.32
4. Step 4: Simplify right side
   13,697.96x = 140,078,612.82
5. Step 5: Solve for x
   x = 140,078,612.82/13,697.96
6. Step 6: Final answer
   x = 10,226.24