Finding the Fourth Proportional to 12,523.48, 18,782.94 and 4,729.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,523.48 : 18,782.94 = 4,729.72 : x
2. Step 2: Convert to fraction form
   12,523.48/18,782.94 = 4,729.72/x
3. Step 3: Cross multiply
   12,523.48x = 18,782.94 × 4,729.72
4. Step 4: Simplify right side
   12,523.48x = 88,838,046.98
5. Step 5: Solve for x
   x = 88,838,046.98/12,523.48
6. Step 6: Final answer
   x = 7,093.72