Finding the Fourth Proportional to 62,912.86, 86,819.60 and 34,618.54

Step by Step Solution

1. Step 1: Write the proportion equation
   62,912.86 : 86,819.60 = 34,618.54 : x
2. Step 2: Convert to fraction form
   62,912.86/86,819.60 = 34,618.54/x
3. Step 3: Cross multiply
   62,912.86x = 86,819.60 × 34,618.54
4. Step 4: Simplify right side
   62,912.86x = 3,005,567,795.38
5. Step 5: Solve for x
   x = 3,005,567,795.38/62,912.86
6. Step 6: Final answer
   x = 47,773.50