Finding the Fourth Proportional to 42,239, 58,288.92 and 23,118.77

Step by Step Solution

1. Step 1: Write the proportion equation
   42,239 : 58,288.92 = 23,118.77 : x
2. Step 2: Convert to fraction form
   42,239/58,288.92 = 23,118.77/x
3. Step 3: Cross multiply
   42,239x = 58,288.92 × 23,118.77
4. Step 4: Simplify right side
   42,239x = 1,347,568,135.03
5. Step 5: Solve for x
   x = 1,347,568,135.03/42,239
6. Step 6: Final answer
   x = 31,903.41