Finding the Fourth Proportional to 14,064.34, 19,408.17 and 7,776.58

Step by Step Solution

1. Step 1: Write the proportion equation
   14,064.34 : 19,408.17 = 7,776.58 : x
2. Step 2: Convert to fraction form
   14,064.34/19,408.17 = 7,776.58/x
3. Step 3: Cross multiply
   14,064.34x = 19,408.17 × 7,776.58
4. Step 4: Simplify right side
   14,064.34x = 150,929,186.66
5. Step 5: Solve for x
   x = 150,929,186.66/14,064.34
6. Step 6: Final answer
   x = 10,731.34