Finding the Fourth Proportional to 13,904.32, 19,188.27 and 7,935.87

Step by Step Solution

1. Step 1: Write the proportion equation
   13,904.32 : 19,188.27 = 7,935.87 : x
2. Step 2: Convert to fraction form
   13,904.32/19,188.27 = 7,935.87/x
3. Step 3: Cross multiply
   13,904.32x = 19,188.27 × 7,935.87
4. Step 4: Simplify right side
   13,904.32x = 152,275,520.30
5. Step 5: Solve for x
   x = 152,275,520.30/13,904.32
6. Step 6: Final answer
   x = 10,951.67