Finding the Fourth Proportional to 103,895.31, 143,375.57 and 59,183.31

Step by Step Solution

1. Step 1: Write the proportion equation
   103,895.31 : 143,375.57 = 59,183.31 : x
2. Step 2: Convert to fraction form
   103,895.31/143,375.57 = 59,183.31/x
3. Step 3: Cross multiply
   103,895.31x = 143,375.57 × 59,183.31
4. Step 4: Simplify right side
   103,895.31x = 8,485,440,805.74
5. Step 5: Solve for x
   x = 8,485,440,805.74/103,895.31
6. Step 6: Final answer
   x = 81,672.99