Finding the Fourth Proportional to 42,235.56, 58,237.38 and 31,591.08

Step by Step Solution

1. Step 1: Write the proportion equation
   42,235.56 : 58,237.38 = 31,591.08 : x
2. Step 2: Convert to fraction form
   42,235.56/58,237.38 = 31,591.08/x
3. Step 3: Cross multiply
   42,235.56x = 58,237.38 × 31,591.08
4. Step 4: Simplify right side
   42,235.56x = 1,839,781,730.57
5. Step 5: Solve for x
   x = 1,839,781,730.57/42,235.56
6. Step 6: Final answer
   x = 43,560.02