Finding the Fourth Proportional to 43,112.48, 59,475.56 and 31,156.88

Step by Step Solution

1. Step 1: Write the proportion equation
   43,112.48 : 59,475.56 = 31,156.88 : x
2. Step 2: Convert to fraction form
   43,112.48/59,475.56 = 31,156.88/x
3. Step 3: Cross multiply
   43,112.48x = 59,475.56 × 31,156.88
4. Step 4: Simplify right side
   43,112.48x = 1,853,072,885.85
5. Step 5: Solve for x
   x = 1,853,072,885.85/43,112.48
6. Step 6: Final answer
   x = 42,982.28