Finding the Fourth Proportional to 42,667.63, 58,903.46 and 31,169.63

Step by Step Solution

1. Step 1: Write the proportion equation
   42,667.63 : 58,903.46 = 31,169.63 : x
2. Step 2: Convert to fraction form
   42,667.63/58,903.46 = 31,169.63/x
3. Step 3: Cross multiply
   42,667.63x = 58,903.46 × 31,169.63
4. Step 4: Simplify right side
   42,667.63x = 1,835,998,759.40
5. Step 5: Solve for x
   x = 1,835,998,759.40/42,667.63
6. Step 6: Final answer
   x = 43,030.25