Finding the Fourth Proportional to 7,521.99, 10,380.06 and 4,164.81

Step by Step Solution

1. Step 1: Write the proportion equation
   7,521.99 : 10,380.06 = 4,164.81 : x
2. Step 2: Convert to fraction form
   7,521.99/10,380.06 = 4,164.81/x
3. Step 3: Cross multiply
   7,521.99x = 10,380.06 × 4,164.81
4. Step 4: Simplify right side
   7,521.99x = 43,230,977.69
5. Step 5: Solve for x
   x = 43,230,977.69/7,521.99
6. Step 6: Final answer
   x = 5,747.28