Finding the Fourth Proportional to 9,720.16, 14,582.55 and 3,146.34

Step by Step Solution

1. Step 1: Write the proportion equation
   9,720.16 : 14,582.55 = 3,146.34 : x
2. Step 2: Convert to fraction form
   9,720.16/14,582.55 = 3,146.34/x
3. Step 3: Cross multiply
   9,720.16x = 14,582.55 × 3,146.34
4. Step 4: Simplify right side
   9,720.16x = 45,881,660.37
5. Step 5: Solve for x
   x = 45,881,660.37/9,720.16
6. Step 6: Final answer
   x = 4,720.26