Finding the Fourth Proportional to 31,096.98, 42,813.90 and 27,677.70

Step by Step Solution

1. Step 1: Write the proportion equation
   31,096.98 : 42,813.90 = 27,677.70 : x
2. Step 2: Convert to fraction form
   31,096.98/42,813.90 = 27,677.70/x
3. Step 3: Cross multiply
   31,096.98x = 42,813.90 × 27,677.70
4. Step 4: Simplify right side
   31,096.98x = 1,184,990,280.03
5. Step 5: Solve for x
   x = 1,184,990,280.03/31,096.98
6. Step 6: Final answer
   x = 38,106.28