Finding the Fourth Proportional to 13,901.30, 19,185.17 and 7,933.87

Step by Step Solution

1. Step 1: Write the proportion equation
   13,901.30 : 19,185.17 = 7,933.87 : x
2. Step 2: Convert to fraction form
   13,901.30/19,185.17 = 7,933.87/x
3. Step 3: Cross multiply
   13,901.30x = 19,185.17 × 7,933.87
4. Step 4: Simplify right side
   13,901.30x = 152,212,548.78
5. Step 5: Solve for x
   x = 152,212,548.78/13,901.30
6. Step 6: Final answer
   x = 10,949.52