Finding the Fourth Proportional to 83,665.44, 115,443.12 and 47,366.64

Step by Step Solution

1. Step 1: Write the proportion equation
   83,665.44 : 115,443.12 = 47,366.64 : x
2. Step 2: Convert to fraction form
   83,665.44/115,443.12 = 47,366.64/x
3. Step 3: Cross multiply
   83,665.44x = 115,443.12 × 47,366.64
4. Step 4: Simplify right side
   83,665.44x = 5,468,152,705.52
5. Step 5: Solve for x
   x = 5,468,152,705.52/83,665.44
6. Step 6: Final answer
   x = 65,357.37