Finding the Fourth Proportional to 9,776.15, 13,498.86 and 9,029.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,776.15 : 13,498.86 = 9,029.84 : x
2. Step 2: Convert to fraction form
   9,776.15/13,498.86 = 9,029.84/x
3. Step 3: Cross multiply
   9,776.15x = 13,498.86 × 9,029.84
4. Step 4: Simplify right side
   9,776.15x = 121,892,500.83
5. Step 5: Solve for x
   x = 121,892,500.83/9,776.15
6. Step 6: Final answer
   x = 12,468.35