Finding the Fourth Proportional to 31,738.37, 47,612.59 and 12,762.96

Step by Step Solution

1. Step 1: Write the proportion equation
   31,738.37 : 47,612.59 = 12,762.96 : x
2. Step 2: Convert to fraction form
   31,738.37/47,612.59 = 12,762.96/x
3. Step 3: Cross multiply
   31,738.37x = 47,612.59 × 12,762.96
4. Step 4: Simplify right side
   31,738.37x = 607,677,581.67
5. Step 5: Solve for x
   x = 607,677,581.67/31,738.37
6. Step 6: Final answer
   x = 19,146.46