Finding the Fourth Proportional to 13,111.32, 19,585.94 and 11,792.98

Step by Step Solution

1. Step 1: Write the proportion equation
   13,111.32 : 19,585.94 = 11,792.98 : x
2. Step 2: Convert to fraction form
   13,111.32/19,585.94 = 11,792.98/x
3. Step 3: Cross multiply
   13,111.32x = 19,585.94 × 11,792.98
4. Step 4: Simplify right side
   13,111.32x = 230,976,598.70
5. Step 5: Solve for x
   x = 230,976,598.70/13,111.32
6. Step 6: Final answer
   x = 17,616.58