Finding the Fourth Proportional to 62,905.82, 86,795.76 and 45,919.31

Step by Step Solution

1. Step 1: Write the proportion equation
   62,905.82 : 86,795.76 = 45,919.31 : x
2. Step 2: Convert to fraction form
   62,905.82/86,795.76 = 45,919.31/x
3. Step 3: Cross multiply
   62,905.82x = 86,795.76 × 45,919.31
4. Step 4: Simplify right side
   62,905.82x = 3,985,600,976.15
5. Step 5: Solve for x
   x = 3,985,600,976.15/62,905.82
6. Step 6: Final answer
   x = 63,358.23