Finding the Fourth Proportional to 14,072.27, 19,419.47 and 7,784.65

Step by Step Solution

1. Step 1: Write the proportion equation
   14,072.27 : 19,419.47 = 7,784.65 : x
2. Step 2: Convert to fraction form
   14,072.27/19,419.47 = 7,784.65/x
3. Step 3: Cross multiply
   14,072.27x = 19,419.47 × 7,784.65
4. Step 4: Simplify right side
   14,072.27x = 151,173,718.86
5. Step 5: Solve for x
   x = 151,173,718.86/14,072.27
6. Step 6: Final answer
   x = 10,742.67