Finding the Fourth Proportional to 62,974.61, 86,905.55 and 34,680.50

Step by Step Solution

1. Step 1: Write the proportion equation
   62,974.61 : 86,905.55 = 34,680.50 : x
2. Step 2: Convert to fraction form
   62,974.61/86,905.55 = 34,680.50/x
3. Step 3: Cross multiply
   62,974.61x = 86,905.55 × 34,680.50
4. Step 4: Simplify right side
   62,974.61x = 3,013,927,926.78
5. Step 5: Solve for x
   x = 3,013,927,926.78/62,974.61
6. Step 6: Final answer
   x = 47,859.41