Finding the Fourth Proportional to 7,814.05, 10,772.15 and 5,572.01

Step by Step Solution

1. Step 1: Write the proportion equation
   7,814.05 : 10,772.15 = 5,572.01 : x
2. Step 2: Convert to fraction form
   7,814.05/10,772.15 = 5,572.01/x
3. Step 3: Cross multiply
   7,814.05x = 10,772.15 × 5,572.01
4. Step 4: Simplify right side
   7,814.05x = 60,022,526.59
5. Step 5: Solve for x
   x = 60,022,526.59/7,814.05
6. Step 6: Final answer
   x = 7,681.36