Finding the Fourth Proportional to 10,784.87, 14,885.89 and 8,394.29

Step by Step Solution

1. Step 1: Write the proportion equation
   10,784.87 : 14,885.89 = 8,394.29 : x
2. Step 2: Convert to fraction form
   10,784.87/14,885.89 = 8,394.29/x
3. Step 3: Cross multiply
   10,784.87x = 14,885.89 × 8,394.29
4. Step 4: Simplify right side
   10,784.87x = 124,956,498.55
5. Step 5: Solve for x
   x = 124,956,498.55/10,784.87
6. Step 6: Final answer
   x = 11,586.28