Finding the Fourth Proportional to 10,089.47, 13,923.08 and 5,613.07

Step by Step Solution

1. Step 1: Write the proportion equation
   10,089.47 : 13,923.08 = 5,613.07 : x
2. Step 2: Convert to fraction form
   10,089.47/13,923.08 = 5,613.07/x
3. Step 3: Cross multiply
   10,089.47x = 13,923.08 × 5,613.07
4. Step 4: Simplify right side
   10,089.47x = 78,151,222.66
5. Step 5: Solve for x
   x = 78,151,222.66/10,089.47
6. Step 6: Final answer
   x = 7,745.82