Finding the Fourth Proportional to 9,930.02, 14,890.16 and 7,847.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,930.02 : 14,890.16 = 7,847.52 : x
2. Step 2: Convert to fraction form
   9,930.02/14,890.16 = 7,847.52/x
3. Step 3: Cross multiply
   9,930.02x = 14,890.16 × 7,847.52
4. Step 4: Simplify right side
   9,930.02x = 116,850,828.40
5. Step 5: Solve for x
   x = 116,850,828.40/9,930.02
6. Step 6: Final answer
   x = 11,767.43