Finding the Fourth Proportional to 19,072.06, 26,309.82 and 12,773.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,072.06 : 26,309.82 = 12,773.50 : x
2. Step 2: Convert to fraction form
   19,072.06/26,309.82 = 12,773.50/x
3. Step 3: Cross multiply
   19,072.06x = 26,309.82 × 12,773.50
4. Step 4: Simplify right side
   19,072.06x = 336,068,485.77
5. Step 5: Solve for x
   x = 336,068,485.77/19,072.06
6. Step 6: Final answer
   x = 17,620.99