Finding the Fourth Proportional to 81,648.09, 122,486.49 and 37,279.33

Step by Step Solution

1. Step 1: Write the proportion equation
   81,648.09 : 122,486.49 = 37,279.33 : x
2. Step 2: Convert to fraction form
   81,648.09/122,486.49 = 37,279.33/x
3. Step 3: Cross multiply
   81,648.09x = 122,486.49 × 37,279.33
4. Step 4: Simplify right side
   81,648.09x = 4,566,214,281.25
5. Step 5: Solve for x
   x = 4,566,214,281.25/81,648.09
6. Step 6: Final answer
   x = 55,925.55