Finding the Fourth Proportional to 17,784.71, 26,651.48 and 13,067.67

Step by Step Solution

1. Step 1: Write the proportion equation
   17,784.71 : 26,651.48 = 13,067.67 : x
2. Step 2: Convert to fraction form
   17,784.71/26,651.48 = 13,067.67/x
3. Step 3: Cross multiply
   17,784.71x = 26,651.48 × 13,067.67
4. Step 4: Simplify right side
   17,784.71x = 348,272,680.31
5. Step 5: Solve for x
   x = 348,272,680.31/17,784.71
6. Step 6: Final answer
   x = 19,582.71