Finding the Fourth Proportional to 19,849.76, 27,394.00 and 13,123.82

Step by Step Solution

1. Step 1: Write the proportion equation
   19,849.76 : 27,394.00 = 13,123.82 : x
2. Step 2: Convert to fraction form
   19,849.76/27,394.00 = 13,123.82/x
3. Step 3: Cross multiply
   19,849.76x = 27,394.00 × 13,123.82
4. Step 4: Simplify right side
   19,849.76x = 359,513,960.76
5. Step 5: Solve for x
   x = 359,513,960.76/19,849.76
6. Step 6: Final answer
   x = 18,111.75