Finding the Fourth Proportional to 62,633.37, 86,383.83 and 55,063.65

Step by Step Solution

1. Step 1: Write the proportion equation
   62,633.37 : 86,383.83 = 55,063.65 : x
2. Step 2: Convert to fraction form
   62,633.37/86,383.83 = 55,063.65/x
3. Step 3: Cross multiply
   62,633.37x = 86,383.83 × 55,063.65
4. Step 4: Simplify right side
   62,633.37x = 4,756,608,980.78
5. Step 5: Solve for x
   x = 4,756,608,980.78/62,633.37
6. Step 6: Final answer
   x = 75,943.69