Finding the Fourth Proportional to 13,348.42, 20,015.82 and 4,460.55

Step by Step Solution

1. Step 1: Write the proportion equation
   13,348.42 : 20,015.82 = 4,460.55 : x
2. Step 2: Convert to fraction form
   13,348.42/20,015.82 = 4,460.55/x
3. Step 3: Cross multiply
   13,348.42x = 20,015.82 × 4,460.55
4. Step 4: Simplify right side
   13,348.42x = 89,281,565.90
5. Step 5: Solve for x
   x = 89,281,565.90/13,348.42
6. Step 6: Final answer
   x = 6,688.55