Finding the Fourth Proportional to 10,102.07, 13,939.23 and 5,624.79

Step by Step Solution

1. Step 1: Write the proportion equation
   10,102.07 : 13,939.23 = 5,624.79 : x
2. Step 2: Convert to fraction form
   10,102.07/13,939.23 = 5,624.79/x
3. Step 3: Cross multiply
   10,102.07x = 13,939.23 × 5,624.79
4. Step 4: Simplify right side
   10,102.07x = 78,405,241.51
5. Step 5: Solve for x
   x = 78,405,241.51/10,102.07
6. Step 6: Final answer
   x = 7,761.31