Finding the Fourth Proportional to 42,209.73, 58,247.10 and 23,085.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,209.73 : 58,247.10 = 23,085.72 : x
2. Step 2: Convert to fraction form
   42,209.73/58,247.10 = 23,085.72/x
3. Step 3: Cross multiply
   42,209.73x = 58,247.10 × 23,085.72
4. Step 4: Simplify right side
   42,209.73x = 1,344,676,241.41
5. Step 5: Solve for x
   x = 1,344,676,241.41/42,209.73
6. Step 6: Final answer
   x = 31,857.02