Finding the Fourth Proportional to 81,677.83, 122,485.02 and 31,751.32

Step by Step Solution

1. Step 1: Write the proportion equation
   81,677.83 : 122,485.02 = 31,751.32 : x
2. Step 2: Convert to fraction form
   81,677.83/122,485.02 = 31,751.32/x
3. Step 3: Cross multiply
   81,677.83x = 122,485.02 × 31,751.32
4. Step 4: Simplify right side
   81,677.83x = 3,889,061,065.23
5. Step 5: Solve for x
   x = 3,889,061,065.23/81,677.83
6. Step 6: Final answer
   x = 47,614.65