Finding the Fourth Proportional to 13,873.59, 19,147.23 and 7,906.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,873.59 : 19,147.23 = 7,906.50 : x
2. Step 2: Convert to fraction form
   13,873.59/19,147.23 = 7,906.50/x
3. Step 3: Cross multiply
   13,873.59x = 19,147.23 × 7,906.50
4. Step 4: Simplify right side
   13,873.59x = 151,387,574.00
5. Step 5: Solve for x
   x = 151,387,574.00/13,873.59
6. Step 6: Final answer
   x = 10,911.93