Finding the Fourth Proportional to 62,490.38, 86,236.73 and 34,196.07

Step by Step Solution

1. Step 1: Write the proportion equation
   62,490.38 : 86,236.73 = 34,196.07 : x
2. Step 2: Convert to fraction form
   62,490.38/86,236.73 = 34,196.07/x
3. Step 3: Cross multiply
   62,490.38x = 86,236.73 × 34,196.07
4. Step 4: Simplify right side
   62,490.38x = 2,948,957,084.67
5. Step 5: Solve for x
   x = 2,948,957,084.67/62,490.38
6. Step 6: Final answer
   x = 47,190.58