Finding the Fourth Proportional to 81,498.67, 122,237.62 and 31,544.59

Step by Step Solution

1. Step 1: Write the proportion equation
   81,498.67 : 122,237.62 = 31,544.59 : x
2. Step 2: Convert to fraction form
   81,498.67/122,237.62 = 31,544.59/x
3. Step 3: Cross multiply
   81,498.67x = 122,237.62 × 31,544.59
4. Step 4: Simplify right side
   81,498.67x = 3,855,935,494.58
5. Step 5: Solve for x
   x = 3,855,935,494.58/81,498.67
6. Step 6: Final answer
   x = 47,312.86