Finding the Fourth Proportional to 13,949.37, 19,251.31 and 7,900.68

Step by Step Solution

1. Step 1: Write the proportion equation
   13,949.37 : 19,251.31 = 7,900.68 : x
2. Step 2: Convert to fraction form
   13,949.37/19,251.31 = 7,900.68/x
3. Step 3: Cross multiply
   13,949.37x = 19,251.31 × 7,900.68
4. Step 4: Simplify right side
   13,949.37x = 152,098,536.77
5. Step 5: Solve for x
   x = 152,098,536.77/13,949.37
6. Step 6: Final answer
   x = 10,903.62