Finding the Fourth Proportional to 13,900.71, 19,183.05 and 7,932.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,900.71 : 19,183.05 = 7,932.50 : x
2. Step 2: Convert to fraction form
   13,900.71/19,183.05 = 7,932.50/x
3. Step 3: Cross multiply
   13,900.71x = 19,183.05 × 7,932.50
4. Step 4: Simplify right side
   13,900.71x = 152,169,448.21
5. Step 5: Solve for x
   x = 152,169,448.21/13,900.71
6. Step 6: Final answer
   x = 10,946.88