Finding the Fourth Proportional to 14,191.71, 19,585.46 and 7,904.07

Step by Step Solution

1. Step 1: Write the proportion equation
   14,191.71 : 19,585.46 = 7,904.07 : x
2. Step 2: Convert to fraction form
   14,191.71/19,585.46 = 7,904.07/x
3. Step 3: Cross multiply
   14,191.71x = 19,585.46 × 7,904.07
4. Step 4: Simplify right side
   14,191.71x = 154,804,807.30
5. Step 5: Solve for x
   x = 154,804,807.30/14,191.71
6. Step 6: Final answer
   x = 10,908.12