Finding the Fourth Proportional to 356,978.24, 492,627.06 and 193,634.34

Step by Step Solution

1. Step 1: Write the proportion equation
   356,978.24 : 492,627.06 = 193,634.34 : x
2. Step 2: Convert to fraction form
   356,978.24/492,627.06 = 193,634.34/x
3. Step 3: Cross multiply
   356,978.24x = 492,627.06 × 193,634.34
4. Step 4: Simplify right side
   356,978.24x = 95,389,516,915.98
5. Step 5: Solve for x
   x = 95,389,516,915.98/356,978.24
6. Step 6: Final answer
   x = 267,213.81