Finding the Fourth Proportional to 83,431.94, 115,144.34 and 47,627.34

Step by Step Solution

1. Step 1: Write the proportion equation
   83,431.94 : 115,144.34 = 47,627.34 : x
2. Step 2: Convert to fraction form
   83,431.94/115,144.34 = 47,627.34/x
3. Step 3: Cross multiply
   83,431.94x = 115,144.34 × 47,627.34
4. Step 4: Simplify right side
   83,431.94x = 5,484,018,630.26
5. Step 5: Solve for x
   x = 5,484,018,630.26/83,431.94
6. Step 6: Final answer
   x = 65,730.45