Finding the Fourth Proportional to 329,947.92, 455,300.24 and 193,986.32

Step by Step Solution

1. Step 1: Write the proportion equation
   329,947.92 : 455,300.24 = 193,986.32 : x
2. Step 2: Convert to fraction form
   329,947.92/455,300.24 = 193,986.32/x
3. Step 3: Cross multiply
   329,947.92x = 455,300.24 × 193,986.32
4. Step 4: Simplify right side
   329,947.92x = 88,322,018,052.72
5. Step 5: Solve for x
   x = 88,322,018,052.72/329,947.92
6. Step 6: Final answer
   x = 267,684.72