Finding the Fourth Proportional to 86,106.37, 118,828.20 and 47,345.83

Step by Step Solution

1. Step 1: Write the proportion equation
   86,106.37 : 118,828.20 = 47,345.83 : x
2. Step 2: Convert to fraction form
   86,106.37/118,828.20 = 47,345.83/x
3. Step 3: Cross multiply
   86,106.37x = 118,828.20 × 47,345.83
4. Step 4: Simplify right side
   86,106.37x = 5,626,019,756.41
5. Step 5: Solve for x
   x = 5,626,019,756.41/86,106.37
6. Step 6: Final answer
   x = 65,338.02