Finding the Fourth Proportional to 42,465.44, 58,566.96 and 31,878.56

Step by Step Solution

1. Step 1: Write the proportion equation
   42,465.44 : 58,566.96 = 31,878.56 : x
2. Step 2: Convert to fraction form
   42,465.44/58,566.96 = 31,878.56/x
3. Step 3: Cross multiply
   42,465.44x = 58,566.96 × 31,878.56
4. Step 4: Simplify right side
   42,465.44x = 1,867,030,348.38
5. Step 5: Solve for x
   x = 1,867,030,348.38/42,465.44
6. Step 6: Final answer
   x = 43,965.88