Finding the Fourth Proportional to 13,903.17, 19,186.27 and 7,934.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,903.17 : 19,186.27 = 7,934.50 : x
2. Step 2: Convert to fraction form
   13,903.17/19,186.27 = 7,934.50/x
3. Step 3: Cross multiply
   13,903.17x = 19,186.27 × 7,934.50
4. Step 4: Simplify right side
   13,903.17x = 152,233,459.32
5. Step 5: Solve for x
   x = 152,233,459.32/13,903.17
6. Step 6: Final answer
   x = 10,949.55