Finding the Fourth Proportional to 10,385.01, 14,331.36 and 5,669.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,385.01 : 14,331.36 = 5,669.31 : x
2. Step 2: Convert to fraction form
   10,385.01/14,331.36 = 5,669.31/x
3. Step 3: Cross multiply
   10,385.01x = 14,331.36 × 5,669.31
4. Step 4: Simplify right side
   10,385.01x = 81,248,922.56
5. Step 5: Solve for x
   x = 81,248,922.56/10,385.01
6. Step 6: Final answer
   x = 7,823.67