Finding the Fourth Proportional to 43,036.10, 59,356.94 and 31,138.82

Step by Step Solution

1. Step 1: Write the proportion equation
   43,036.10 : 59,356.94 = 31,138.82 : x
2. Step 2: Convert to fraction form
   43,036.10/59,356.94 = 31,138.82/x
3. Step 3: Cross multiply
   43,036.10x = 59,356.94 × 31,138.82
4. Step 4: Simplify right side
   43,036.10x = 1,848,304,617.93
5. Step 5: Solve for x
   x = 1,848,304,617.93/43,036.10
6. Step 6: Final answer
   x = 42,947.78