Finding the Fourth Proportional to 9,970.85, 14,942.16 and 5,530.46

Step by Step Solution

1. Step 1: Write the proportion equation
   9,970.85 : 14,942.16 = 5,530.46 : x
2. Step 2: Convert to fraction form
   9,970.85/14,942.16 = 5,530.46/x
3. Step 3: Cross multiply
   9,970.85x = 14,942.16 × 5,530.46
4. Step 4: Simplify right side
   9,970.85x = 82,637,018.19
5. Step 5: Solve for x
   x = 82,637,018.19/9,970.85
6. Step 6: Final answer
   x = 8,287.86