Finding the Fourth Proportional to 5,434.64, 7,499.81 and 3,076.79

Step by Step Solution

1. Step 1: Write the proportion equation
   5,434.64 : 7,499.81 = 3,076.79 : x
2. Step 2: Convert to fraction form
   5,434.64/7,499.81 = 3,076.79/x
3. Step 3: Cross multiply
   5,434.64x = 7,499.81 × 3,076.79
4. Step 4: Simplify right side
   5,434.64x = 23,075,287.53
5. Step 5: Solve for x
   x = 23,075,287.53/5,434.64
6. Step 6: Final answer
   x = 4,245.96