Finding the Fourth Proportional to 9,978.47, 14,946.24 and 4,705.58

Step by Step Solution

1. Step 1: Write the proportion equation
   9,978.47 : 14,946.24 = 4,705.58 : x
2. Step 2: Convert to fraction form
   9,978.47/14,946.24 = 4,705.58/x
3. Step 3: Cross multiply
   9,978.47x = 14,946.24 × 4,705.58
4. Step 4: Simplify right side
   9,978.47x = 70,330,653.29
5. Step 5: Solve for x
   x = 70,330,653.29/9,978.47
6. Step 6: Final answer
   x = 7,048.24