Finding the Fourth Proportional to 14,670.96, 21,990.78 and 4,807.59

Step by Step Solution

1. Step 1: Write the proportion equation
   14,670.96 : 21,990.78 = 4,807.59 : x
2. Step 2: Convert to fraction form
   14,670.96/21,990.78 = 4,807.59/x
3. Step 3: Cross multiply
   14,670.96x = 21,990.78 × 4,807.59
4. Step 4: Simplify right side
   14,670.96x = 105,722,654.02
5. Step 5: Solve for x
   x = 105,722,654.02/14,670.96
6. Step 6: Final answer
   x = 7,206.25