Finding the Fourth Proportional to 42,081.53, 58,072.75 and 22,961.07

Step by Step Solution

1. Step 1: Write the proportion equation
   42,081.53 : 58,072.75 = 22,961.07 : x
2. Step 2: Convert to fraction form
   42,081.53/58,072.75 = 22,961.07/x
3. Step 3: Cross multiply
   42,081.53x = 58,072.75 × 22,961.07
4. Step 4: Simplify right side
   42,081.53x = 1,333,412,420.44
5. Step 5: Solve for x
   x = 1,333,412,420.44/42,081.53
6. Step 6: Final answer
   x = 31,686.41