Finding the Fourth Proportional to 9,830.10, 14,735.55 and 8,793.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,830.10 : 14,735.55 = 8,793.30 : x
2. Step 2: Convert to fraction form
   9,830.10/14,735.55 = 8,793.30/x
3. Step 3: Cross multiply
   9,830.10x = 14,735.55 × 8,793.30
4. Step 4: Simplify right side
   9,830.10x = 129,574,111.82
5. Step 5: Solve for x
   x = 129,574,111.82/9,830.10
6. Step 6: Final answer
   x = 13,181.36