Finding the Fourth Proportional to 42,104.53, 58,105.97 and 22,985.60

Step by Step Solution

1. Step 1: Write the proportion equation
   42,104.53 : 58,105.97 = 22,985.60 : x
2. Step 2: Convert to fraction form
   42,104.53/58,105.97 = 22,985.60/x
3. Step 3: Cross multiply
   42,104.53x = 58,105.97 × 22,985.60
4. Step 4: Simplify right side
   42,104.53x = 1,335,600,460.52
5. Step 5: Solve for x
   x = 1,335,600,460.52/42,104.53
6. Step 6: Final answer
   x = 31,721.06