Finding the Fourth Proportional to 5,434.58, 7,499.75 and 3,077.18

Step by Step Solution

1. Step 1: Write the proportion equation
   5,434.58 : 7,499.75 = 3,077.18 : x
2. Step 2: Convert to fraction form
   5,434.58/7,499.75 = 3,077.18/x
3. Step 3: Cross multiply
   5,434.58x = 7,499.75 × 3,077.18
4. Step 4: Simplify right side
   5,434.58x = 23,078,080.71
5. Step 5: Solve for x
   x = 23,078,080.71/5,434.58
6. Step 6: Final answer
   x = 4,246.53