Finding the Fourth Proportional to 81,511.06, 122,267 and 37,106.75

Step by Step Solution

1. Step 1: Write the proportion equation
   81,511.06 : 122,267 = 37,106.75 : x
2. Step 2: Convert to fraction form
   81,511.06/122,267 = 37,106.75/x
3. Step 3: Cross multiply
   81,511.06x = 122,267 × 37,106.75
4. Step 4: Simplify right side
   81,511.06x = 4,536,931,002.25
5. Step 5: Solve for x
   x = 4,536,931,002.25/81,511.06
6. Step 6: Final answer
   x = 55,660.31