Finding the Fourth Proportional to 5,429.34, 7,499.52 and 4,015.89

Step by Step Solution

1. Step 1: Write the proportion equation
   5,429.34 : 7,499.52 = 4,015.89 : x
2. Step 2: Convert to fraction form
   5,429.34/7,499.52 = 4,015.89/x
3. Step 3: Cross multiply
   5,429.34x = 7,499.52 × 4,015.89
4. Step 4: Simplify right side
   5,429.34x = 30,117,247.37
5. Step 5: Solve for x
   x = 30,117,247.37/5,429.34
6. Step 6: Final answer
   x = 5,547.13