Finding the Fourth Proportional to 63,347.83, 86,954.31 and 56,017.10

Step by Step Solution

1. Step 1: Write the proportion equation
   63,347.83 : 86,954.31 = 56,017.10 : x
2. Step 2: Convert to fraction form
   63,347.83/86,954.31 = 56,017.10/x
3. Step 3: Cross multiply
   63,347.83x = 86,954.31 × 56,017.10
4. Step 4: Simplify right side
   63,347.83x = 4,870,928,278.70
5. Step 5: Solve for x
   x = 4,870,928,278.70/63,347.83
6. Step 6: Final answer
   x = 76,891.79