Finding the Fourth Proportional to 13,900.32, 19,184.40 and 7,932.48

Step by Step Solution

1. Step 1: Write the proportion equation
   13,900.32 : 19,184.40 = 7,932.48 : x
2. Step 2: Convert to fraction form
   13,900.32/19,184.40 = 7,932.48/x
3. Step 3: Cross multiply
   13,900.32x = 19,184.40 × 7,932.48
4. Step 4: Simplify right side
   13,900.32x = 152,179,869.31
5. Step 5: Solve for x
   x = 152,179,869.31/13,900.32
6. Step 6: Final answer
   x = 10,947.94