Finding the Fourth Proportional to 14,191.78, 19,585.27 and 7,904.16

Step by Step Solution

1. Step 1: Write the proportion equation
   14,191.78 : 19,585.27 = 7,904.16 : x
2. Step 2: Convert to fraction form
   14,191.78/19,585.27 = 7,904.16/x
3. Step 3: Cross multiply
   14,191.78x = 19,585.27 × 7,904.16
4. Step 4: Simplify right side
   14,191.78x = 154,805,019.24
5. Step 5: Solve for x
   x = 154,805,019.24/14,191.78
6. Step 6: Final answer
   x = 10,908.07