Finding the Fourth Proportional to 31,106.52, 42,927.00 and 17,677.80

Step by Step Solution

1. Step 1: Write the proportion equation
   31,106.52 : 42,927.00 = 17,677.80 : x
2. Step 2: Convert to fraction form
   31,106.52/42,927.00 = 17,677.80/x
3. Step 3: Cross multiply
   31,106.52x = 42,927.00 × 17,677.80
4. Step 4: Simplify right side
   31,106.52x = 758,854,854.31
5. Step 5: Solve for x
   x = 758,854,854.31/31,106.52
6. Step 6: Final answer
   x = 24,395.36