Finding the Fourth Proportional to 9,389.52, 12,956.64 and 5,611.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,389.52 : 12,956.64 = 5,611.94 : x
2. Step 2: Convert to fraction form
   9,389.52/12,956.64 = 5,611.94/x
3. Step 3: Cross multiply
   9,389.52x = 12,956.64 × 5,611.94
4. Step 4: Simplify right side
   9,389.52x = 72,711,821.50
5. Step 5: Solve for x
   x = 72,711,821.50/9,389.52
6. Step 6: Final answer
   x = 7,743.93