Finding the Fourth Proportional to 62,638.56, 85,912.02 and 59,249.52

Step by Step Solution

1. Step 1: Write the proportion equation
   62,638.56 : 85,912.02 = 59,249.52 : x
2. Step 2: Convert to fraction form
   62,638.56/85,912.02 = 59,249.52/x
3. Step 3: Cross multiply
   62,638.56x = 85,912.02 × 59,249.52
4. Step 4: Simplify right side
   62,638.56x = 5,090,245,947.23
5. Step 5: Solve for x
   x = 5,090,245,947.23/62,638.56
6. Step 6: Final answer
   x = 81,263.78