Finding the Fourth Proportional to 62,490.57, 86,236.98 and 34,196.25

Step by Step Solution

1. Step 1: Write the proportion equation
   62,490.57 : 86,236.98 = 34,196.25 : x
2. Step 2: Convert to fraction form
   62,490.57/86,236.98 = 34,196.25/x
3. Step 3: Cross multiply
   62,490.57x = 86,236.98 × 34,196.25
4. Step 4: Simplify right side
   62,490.57x = 2,948,981,327.33
5. Step 5: Solve for x
   x = 2,948,981,327.33/62,490.57
6. Step 6: Final answer
   x = 47,190.82