Finding the Fourth Proportional to 13,061.36, 19,548.71 and 11,894.05

Step by Step Solution

1. Step 1: Write the proportion equation
   13,061.36 : 19,548.71 = 11,894.05 : x
2. Step 2: Convert to fraction form
   13,061.36/19,548.71 = 11,894.05/x
3. Step 3: Cross multiply
   13,061.36x = 19,548.71 × 11,894.05
4. Step 4: Simplify right side
   13,061.36x = 232,513,334.18
5. Step 5: Solve for x
   x = 232,513,334.18/13,061.36
6. Step 6: Final answer
   x = 17,801.62