Finding the Fourth Proportional to 42,081.57, 58,072.28 and 23,218.74

Step by Step Solution

1. Step 1: Write the proportion equation
   42,081.57 : 58,072.28 = 23,218.74 : x
2. Step 2: Convert to fraction form
   42,081.57/58,072.28 = 23,218.74/x
3. Step 3: Cross multiply
   42,081.57x = 58,072.28 × 23,218.74
4. Step 4: Simplify right side
   42,081.57x = 1,348,365,054.43
5. Step 5: Solve for x
   x = 1,348,365,054.43/42,081.57
6. Step 6: Final answer
   x = 32,041.70