Finding the Fourth Proportional to 19,417.50, 26,796.15 and 10,585.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,417.50 : 26,796.15 = 10,585.50 : x
2. Step 2: Convert to fraction form
   19,417.50/26,796.15 = 10,585.50/x
3. Step 3: Cross multiply
   19,417.50x = 26,796.15 × 10,585.50
4. Step 4: Simplify right side
   19,417.50x = 283,650,645.83
5. Step 5: Solve for x
   x = 283,650,645.83/19,417.50
6. Step 6: Final answer
   x = 14,607.99