Finding the Fourth Proportional to 33,140.94, 45,673.65 and 31,036.56

Step by Step Solution

1. Step 1: Write the proportion equation
   33,140.94 : 45,673.65 = 31,036.56 : x
2. Step 2: Convert to fraction form
   33,140.94/45,673.65 = 31,036.56/x
3. Step 3: Cross multiply
   33,140.94x = 45,673.65 × 31,036.56
4. Step 4: Simplify right side
   33,140.94x = 1,417,552,978.64
5. Step 5: Solve for x
   x = 1,417,552,978.64/33,140.94
6. Step 6: Final answer
   x = 42,773.47