Finding the Fourth Proportional to 43,147.56, 59,523.78 and 31,191.96

Step by Step Solution

1. Step 1: Write the proportion equation
   43,147.56 : 59,523.78 = 31,191.96 : x
2. Step 2: Convert to fraction form
   43,147.56/59,523.78 = 31,191.96/x
3. Step 3: Cross multiply
   43,147.56x = 59,523.78 × 31,191.96
4. Step 4: Simplify right side
   43,147.56x = 1,856,663,364.81
5. Step 5: Solve for x
   x = 1,856,663,364.81/43,147.56
6. Step 6: Final answer
   x = 43,030.55