Finding the Fourth Proportional to 42,687.78, 58,906.74 and 23,826.12

Step by Step Solution

1. Step 1: Write the proportion equation
   42,687.78 : 58,906.74 = 23,826.12 : x
2. Step 2: Convert to fraction form
   42,687.78/58,906.74 = 23,826.12/x
3. Step 3: Cross multiply
   42,687.78x = 58,906.74 × 23,826.12
4. Step 4: Simplify right side
   42,687.78x = 1,403,519,056.05
5. Step 5: Solve for x
   x = 1,403,519,056.05/42,687.78
6. Step 6: Final answer
   x = 32,878.71