Finding the Fourth Proportional to 12,864.83, 17,753.80 and 7,559.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,864.83 : 17,753.80 = 7,559.94 : x
2. Step 2: Convert to fraction form
   12,864.83/17,753.80 = 7,559.94/x
3. Step 3: Cross multiply
   12,864.83x = 17,753.80 × 7,559.94
4. Step 4: Simplify right side
   12,864.83x = 134,217,662.77
5. Step 5: Solve for x
   x = 134,217,662.77/12,864.83
6. Step 6: Final answer
   x = 10,432.91