Finding the Fourth Proportional to 5,435.49, 7,500.86 and 3,077.58

Step by Step Solution

1. Step 1: Write the proportion equation
   5,435.49 : 7,500.86 = 3,077.58 : x
2. Step 2: Convert to fraction form
   5,435.49/7,500.86 = 3,077.58/x
3. Step 3: Cross multiply
   5,435.49x = 7,500.86 × 3,077.58
4. Step 4: Simplify right side
   5,435.49x = 23,084,481.33
5. Step 5: Solve for x
   x = 23,084,481.33/5,435.49
6. Step 6: Final answer
   x = 4,246.99