Finding the Fourth Proportional to 31,106.84, 42,926.36 and 17,677.86

Step by Step Solution

1. Step 1: Write the proportion equation
   31,106.84 : 42,926.36 = 17,677.86 : x
2. Step 2: Convert to fraction form
   31,106.84/42,926.36 = 17,677.86/x
3. Step 3: Cross multiply
   31,106.84x = 42,926.36 × 17,677.86
4. Step 4: Simplify right side
   31,106.84x = 758,846,182.39
5. Step 5: Solve for x
   x = 758,846,182.39/31,106.84
6. Step 6: Final answer
   x = 24,394.83