Finding the Fourth Proportional to 42,039.89, 57,982.20 and 26,933.94

Step by Step Solution

1. Step 1: Write the proportion equation
   42,039.89 : 57,982.20 = 26,933.94 : x
2. Step 2: Convert to fraction form
   42,039.89/57,982.20 = 26,933.94/x
3. Step 3: Cross multiply
   42,039.89x = 57,982.20 × 26,933.94
4. Step 4: Simplify right side
   42,039.89x = 1,561,689,095.87
5. Step 5: Solve for x
   x = 1,561,689,095.87/42,039.89
6. Step 6: Final answer
   x = 37,147.80