Finding the Fourth Proportional to 7,238.93, 10,864.56 and 5,164.02

Step by Step Solution

1. Step 1: Write the proportion equation
   7,238.93 : 10,864.56 = 5,164.02 : x
2. Step 2: Convert to fraction form
   7,238.93/10,864.56 = 5,164.02/x
3. Step 3: Cross multiply
   7,238.93x = 10,864.56 × 5,164.02
4. Step 4: Simplify right side
   7,238.93x = 56,104,805.13
5. Step 5: Solve for x
   x = 56,104,805.13/7,238.93
6. Step 6: Final answer
   x = 7,750.43