Finding the Fourth Proportional to 14,655.72, 21,978.90 and 4,792.34

Step by Step Solution

1. Step 1: Write the proportion equation
   14,655.72 : 21,978.90 = 4,792.34 : x
2. Step 2: Convert to fraction form
   14,655.72/21,978.90 = 4,792.34/x
3. Step 3: Cross multiply
   14,655.72x = 21,978.90 × 4,792.34
4. Step 4: Simplify right side
   14,655.72x = 105,330,361.63
5. Step 5: Solve for x
   x = 105,330,361.63/14,655.72
6. Step 6: Final answer
   x = 7,186.98