Finding the Fourth Proportional to 7,398.77, 10,189.56 and 7,375.71

Step by Step Solution

1. Step 1: Write the proportion equation
   7,398.77 : 10,189.56 = 7,375.71 : x
2. Step 2: Convert to fraction form
   7,398.77/10,189.56 = 7,375.71/x
3. Step 3: Cross multiply
   7,398.77x = 10,189.56 × 7,375.71
4. Step 4: Simplify right side
   7,398.77x = 75,155,239.59
5. Step 5: Solve for x
   x = 75,155,239.59/7,398.77
6. Step 6: Final answer
   x = 10,157.81