Finding the Fourth Proportional to 62,900.61, 86,800.86 and 34,219.54

Step by Step Solution

1. Step 1: Write the proportion equation
   62,900.61 : 86,800.86 = 34,219.54 : x
2. Step 2: Convert to fraction form
   62,900.61/86,800.86 = 34,219.54/x
3. Step 3: Cross multiply
   62,900.61x = 86,800.86 × 34,219.54
4. Step 4: Simplify right side
   62,900.61x = 2,970,285,369.35
5. Step 5: Solve for x
   x = 2,970,285,369.35/62,900.61
6. Step 6: Final answer
   x = 47,221.88