Finding the Fourth Proportional to 13,903.32, 19,186.89 and 7,934.87

Step by Step Solution

1. Step 1: Write the proportion equation
   13,903.32 : 19,186.89 = 7,934.87 : x
2. Step 2: Convert to fraction form
   13,903.32/19,186.89 = 7,934.87/x
3. Step 3: Cross multiply
   13,903.32x = 19,186.89 × 7,934.87
4. Step 4: Simplify right side
   13,903.32x = 152,245,352.16
5. Step 5: Solve for x
   x = 152,245,352.16/13,903.32
6. Step 6: Final answer
   x = 10,950.29