Finding the Fourth Proportional to 5,401.45, 7,446.78 and 4,051.32

Step by Step Solution

1. Step 1: Write the proportion equation
   5,401.45 : 7,446.78 = 4,051.32 : x
2. Step 2: Convert to fraction form
   5,401.45/7,446.78 = 4,051.32/x
3. Step 3: Cross multiply
   5,401.45x = 7,446.78 × 4,051.32
4. Step 4: Simplify right side
   5,401.45x = 30,169,288.75
5. Step 5: Solve for x
   x = 30,169,288.75/5,401.45
6. Step 6: Final answer
   x = 5,585.41