Finding the Fourth Proportional to 81,621.46, 122,469.86 and 37,261.81

Step by Step Solution

1. Step 1: Write the proportion equation
   81,621.46 : 122,469.86 = 37,261.81 : x
2. Step 2: Convert to fraction form
   81,621.46/122,469.86 = 37,261.81/x
3. Step 3: Cross multiply
   81,621.46x = 122,469.86 × 37,261.81
4. Step 4: Simplify right side
   81,621.46x = 4,563,448,654.05
5. Step 5: Solve for x
   x = 4,563,448,654.05/81,621.46
6. Step 6: Final answer
   x = 55,909.91