Finding the Fourth Proportional to 271,605.39, 374,861.82 and 156,863.41

Step by Step Solution

1. Step 1: Write the proportion equation
   271,605.39 : 374,861.82 = 156,863.41 : x
2. Step 2: Convert to fraction form
   271,605.39/374,861.82 = 156,863.41/x
3. Step 3: Cross multiply
   271,605.39x = 374,861.82 × 156,863.41
4. Step 4: Simplify right side
   271,605.39x = 58,802,104,420.82
5. Step 5: Solve for x
   x = 58,802,104,420.82/271,605.39
6. Step 6: Final answer
   x = 216,498.30