Finding the Fourth Proportional to 62,921.34, 86,831.40 and 34,627.05

Step by Step Solution

1. Step 1: Write the proportion equation
   62,921.34 : 86,831.40 = 34,627.05 : x
2. Step 2: Convert to fraction form
   62,921.34/86,831.40 = 34,627.05/x
3. Step 3: Cross multiply
   62,921.34x = 86,831.40 × 34,627.05
4. Step 4: Simplify right side
   62,921.34x = 3,006,715,229.37
5. Step 5: Solve for x
   x = 3,006,715,229.37/62,921.34
6. Step 6: Final answer
   x = 47,785.30