Finding the Fourth Proportional to 14,058.88, 21,090.64 and 5,294.56

Step by Step Solution

1. Step 1: Write the proportion equation
   14,058.88 : 21,090.64 = 5,294.56 : x
2. Step 2: Convert to fraction form
   14,058.88/21,090.64 = 5,294.56/x
3. Step 3: Cross multiply
   14,058.88x = 21,090.64 × 5,294.56
4. Step 4: Simplify right side
   14,058.88x = 111,665,658.92
5. Step 5: Solve for x
   x = 111,665,658.92/14,058.88
6. Step 6: Final answer
   x = 7,942.71