Finding the Fourth Proportional to 9,029.31, 12,434.61 and 8,466.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,029.31 : 12,434.61 = 8,466.76 : x
2. Step 2: Convert to fraction form
   9,029.31/12,434.61 = 8,466.76/x
3. Step 3: Cross multiply
   9,029.31x = 12,434.61 × 8,466.76
4. Step 4: Simplify right side
   9,029.31x = 105,280,858.56
5. Step 5: Solve for x
   x = 105,280,858.56/9,029.31
6. Step 6: Final answer
   x = 11,659.90