Finding the Fourth Proportional to 14,647.67, 21,971.10 and 4,784.30

Step by Step Solution

1. Step 1: Write the proportion equation
   14,647.67 : 21,971.10 = 4,784.30 : x
2. Step 2: Convert to fraction form
   14,647.67/21,971.10 = 4,784.30/x
3. Step 3: Cross multiply
   14,647.67x = 21,971.10 × 4,784.30
4. Step 4: Simplify right side
   14,647.67x = 105,116,333.73
5. Step 5: Solve for x
   x = 105,116,333.73/14,647.67
6. Step 6: Final answer
   x = 7,176.32