Finding the Fourth Proportional to 14,659.10, 21,980.55 and 4,793.30

Step by Step Solution

1. Step 1: Write the proportion equation
   14,659.10 : 21,980.55 = 4,793.30 : x
2. Step 2: Convert to fraction form
   14,659.10/21,980.55 = 4,793.30/x
3. Step 3: Cross multiply
   14,659.10x = 21,980.55 × 4,793.30
4. Step 4: Simplify right side
   14,659.10x = 105,359,370.32
5. Step 5: Solve for x
   x = 105,359,370.32/14,659.10
6. Step 6: Final answer
   x = 7,187.30