Finding the Fourth Proportional to 14,635.48, 21,956.72 and 4,774.78

Step by Step Solution

1. Step 1: Write the proportion equation
   14,635.48 : 21,956.72 = 4,774.78 : x
2. Step 2: Convert to fraction form
   14,635.48/21,956.72 = 4,774.78/x
3. Step 3: Cross multiply
   14,635.48x = 21,956.72 × 4,774.78
4. Step 4: Simplify right side
   14,635.48x = 104,838,507.52
5. Step 5: Solve for x
   x = 104,838,507.52/14,635.48
6. Step 6: Final answer
   x = 7,163.31