Finding the Fourth Proportional to 17,494.47, 26,219.82 and 13,782.03

Step by Step Solution

1. Step 1: Write the proportion equation
   17,494.47 : 26,219.82 = 13,782.03 : x
2. Step 2: Convert to fraction form
   17,494.47/26,219.82 = 13,782.03/x
3. Step 3: Cross multiply
   17,494.47x = 26,219.82 × 13,782.03
4. Step 4: Simplify right side
   17,494.47x = 361,362,345.83
5. Step 5: Solve for x
   x = 361,362,345.83/17,494.47
6. Step 6: Final answer
   x = 20,655.80