Finding the Fourth Proportional to 81,670.98, 122,342.43 and 37,236.60

Step by Step Solution

1. Step 1: Write the proportion equation
   81,670.98 : 122,342.43 = 37,236.60 : x
2. Step 2: Convert to fraction form
   81,670.98/122,342.43 = 37,236.60/x
3. Step 3: Cross multiply
   81,670.98x = 122,342.43 × 37,236.60
4. Step 4: Simplify right side
   81,670.98x = 4,555,616,527.89
5. Step 5: Solve for x
   x = 4,555,616,527.89/81,670.98
6. Step 6: Final answer
   x = 55,780.12