Finding the Fourth Proportional to 28,050.80, 42,112.94 and 19,734.71

Step by Step Solution

1. Step 1: Write the proportion equation
   28,050.80 : 42,112.94 = 19,734.71 : x
2. Step 2: Convert to fraction form
   28,050.80/42,112.94 = 19,734.71/x
3. Step 3: Cross multiply
   28,050.80x = 42,112.94 × 19,734.71
4. Step 4: Simplify right side
   28,050.80x = 831,086,348.91
5. Step 5: Solve for x
   x = 831,086,348.91/28,050.80
6. Step 6: Final answer
   x = 29,627.91