Finding the Fourth Proportional to 81,510.06, 122,265.50 and 37,105.75

Step by Step Solution

1. Step 1: Write the proportion equation
   81,510.06 : 122,265.50 = 37,105.75 : x
2. Step 2: Convert to fraction form
   81,510.06/122,265.50 = 37,105.75/x
3. Step 3: Cross multiply
   81,510.06x = 122,265.50 × 37,105.75
4. Step 4: Simplify right side
   81,510.06x = 4,536,753,076.63
5. Step 5: Solve for x
   x = 4,536,753,076.63/81,510.06
6. Step 6: Final answer
   x = 55,658.81