Finding the Fourth Proportional to 9,970.16, 14,928.48 and 5,575.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,970.16 : 14,928.48 = 5,575.10 : x
2. Step 2: Convert to fraction form
   9,970.16/14,928.48 = 5,575.10/x
3. Step 3: Cross multiply
   9,970.16x = 14,928.48 × 5,575.10
4. Step 4: Simplify right side
   9,970.16x = 83,227,768.85
5. Step 5: Solve for x
   x = 83,227,768.85/9,970.16
6. Step 6: Final answer
   x = 8,347.69