Finding the Fourth Proportional to 71,300.94, 106,986.90 and 31,847.46

Step by Step Solution

1. Step 1: Write the proportion equation
   71,300.94 : 106,986.90 = 31,847.46 : x
2. Step 2: Convert to fraction form
   71,300.94/106,986.90 = 31,847.46/x
3. Step 3: Cross multiply
   71,300.94x = 106,986.90 × 31,847.46
4. Step 4: Simplify right side
   71,300.94x = 3,407,261,018.27
5. Step 5: Solve for x
   x = 3,407,261,018.27/71,300.94
6. Step 6: Final answer
   x = 47,787.04