Finding the Fourth Proportional to 42,240.98, 58,316.81 and 31,544.82

Step by Step Solution

1. Step 1: Write the proportion equation
   42,240.98 : 58,316.81 = 31,544.82 : x
2. Step 2: Convert to fraction form
   42,240.98/58,316.81 = 31,544.82/x
3. Step 3: Cross multiply
   42,240.98x = 58,316.81 × 31,544.82
4. Step 4: Simplify right side
   42,240.98x = 1,839,593,116.70
5. Step 5: Solve for x
   x = 1,839,593,116.70/42,240.98
6. Step 6: Final answer
   x = 43,549.97