Finding the Fourth Proportional to 42,280.28, 58,386.00 and 31,651.46

Step by Step Solution

1. Step 1: Write the proportion equation
   42,280.28 : 58,386.00 = 31,651.46 : x
2. Step 2: Convert to fraction form
   42,280.28/58,386.00 = 31,651.46/x
3. Step 3: Cross multiply
   42,280.28x = 58,386.00 × 31,651.46
4. Step 4: Simplify right side
   42,280.28x = 1,848,001,693.37
5. Step 5: Solve for x
   x = 1,848,001,693.37/42,280.28
6. Step 6: Final answer
   x = 43,708.37