Finding the Fourth Proportional to 15,601.44, 21,523.84 and 9,934.72

Step by Step Solution

1. Step 1: Write the proportion equation
   15,601.44 : 21,523.84 = 9,934.72 : x
2. Step 2: Convert to fraction form
   15,601.44/21,523.84 = 9,934.72/x
3. Step 3: Cross multiply
   15,601.44x = 21,523.84 × 9,934.72
4. Step 4: Simplify right side
   15,601.44x = 213,833,323.72
5. Step 5: Solve for x
   x = 213,833,323.72/15,601.44
6. Step 6: Final answer
   x = 13,706.00