Finding the Fourth Proportional to 71,705.34, 107,587.62 and 31,703.31

Step by Step Solution

1. Step 1: Write the proportion equation
   71,705.34 : 107,587.62 = 31,703.31 : x
2. Step 2: Convert to fraction form
   71,705.34/107,587.62 = 31,703.31/x
3. Step 3: Cross multiply
   71,705.34x = 107,587.62 × 31,703.31
4. Step 4: Simplify right side
   71,705.34x = 3,410,883,669.02
5. Step 5: Solve for x
   x = 3,410,883,669.02/71,705.34
6. Step 6: Final answer
   x = 47,568.06