Finding the Fourth Proportional to 9,974.72, 14,967.12 and 4,784.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,974.72 : 14,967.12 = 4,784.96 : x
2. Step 2: Convert to fraction form
   9,974.72/14,967.12 = 4,784.96/x
3. Step 3: Cross multiply
   9,974.72x = 14,967.12 × 4,784.96
4. Step 4: Simplify right side
   9,974.72x = 71,617,070.52
5. Step 5: Solve for x
   x = 71,617,070.52/9,974.72
6. Step 6: Final answer
   x = 7,179.86