Finding the Fourth Proportional to 443,422.14, 665,128.32 and 127,868.82

Step by Step Solution

1. Step 1: Write the proportion equation
   443,422.14 : 665,128.32 = 127,868.82 : x
2. Step 2: Convert to fraction form
   443,422.14/665,128.32 = 127,868.82/x
3. Step 3: Cross multiply
   443,422.14x = 665,128.32 × 127,868.82
4. Step 4: Simplify right side
   443,422.14x = 85,049,173,426.98
5. Step 5: Solve for x
   x = 85,049,173,426.98/443,422.14
6. Step 6: Final answer
   x = 191,801.82