Finding the Fourth Proportional to 10,108.51, 13,943.43 and 7,231.93

Step by Step Solution

1. Step 1: Write the proportion equation
   10,108.51 : 13,943.43 = 7,231.93 : x
2. Step 2: Convert to fraction form
   10,108.51/13,943.43 = 7,231.93/x
3. Step 3: Cross multiply
   10,108.51x = 13,943.43 × 7,231.93
4. Step 4: Simplify right side
   10,108.51x = 100,837,909.72
5. Step 5: Solve for x
   x = 100,837,909.72/10,108.51
6. Step 6: Final answer
   x = 9,975.55