Finding the Fourth Proportional to 13,901.53, 19,185.47 and 7,934.09

Step by Step Solution

1. Step 1: Write the proportion equation
   13,901.53 : 19,185.47 = 7,934.09 : x
2. Step 2: Convert to fraction form
   13,901.53/19,185.47 = 7,934.09/x
3. Step 3: Cross multiply
   13,901.53x = 19,185.47 × 7,934.09
4. Step 4: Simplify right side
   13,901.53x = 152,219,313.47
5. Step 5: Solve for x
   x = 152,219,313.47/13,901.53
6. Step 6: Final answer
   x = 10,949.83