Finding the Fourth Proportional to 5,435.15, 7,500.50 and 3,077.29

Step by Step Solution

1. Step 1: Write the proportion equation
   5,435.15 : 7,500.50 = 3,077.29 : x
2. Step 2: Convert to fraction form
   5,435.15/7,500.50 = 3,077.29/x
3. Step 3: Cross multiply
   5,435.15x = 7,500.50 × 3,077.29
4. Step 4: Simplify right side
   5,435.15x = 23,081,160.76
5. Step 5: Solve for x
   x = 23,081,160.76/5,435.15
6. Step 6: Final answer
   x = 4,246.65