Finding the Fourth Proportional to 5,434.21, 7,499.22 and 3,076.81

Step by Step Solution

1. Step 1: Write the proportion equation
   5,434.21 : 7,499.22 = 3,076.81 : x
2. Step 2: Convert to fraction form
   5,434.21/7,499.22 = 3,076.81/x
3. Step 3: Cross multiply
   5,434.21x = 7,499.22 × 3,076.81
4. Step 4: Simplify right side
   5,434.21x = 23,073,675.09
5. Step 5: Solve for x
   x = 23,073,675.09/5,434.21
6. Step 6: Final answer
   x = 4,246.00