Finding the Fourth Proportional to 5,120.69, 7,068.51 and 3,446.87

Step by Step Solution

1. Step 1: Write the proportion equation
   5,120.69 : 7,068.51 = 3,446.87 : x
2. Step 2: Convert to fraction form
   5,120.69/7,068.51 = 3,446.87/x
3. Step 3: Cross multiply
   5,120.69x = 7,068.51 × 3,446.87
4. Step 4: Simplify right side
   5,120.69x = 24,364,199.72
5. Step 5: Solve for x
   x = 24,364,199.72/5,120.69
6. Step 6: Final answer
   x = 4,758.00