Finding the Fourth Proportional to 81,514.10, 122,271.56 and 37,109.79

Step by Step Solution

1. Step 1: Write the proportion equation
   81,514.10 : 122,271.56 = 37,109.79 : x
2. Step 2: Convert to fraction form
   81,514.10/122,271.56 = 37,109.79/x
3. Step 3: Cross multiply
   81,514.10x = 122,271.56 × 37,109.79
4. Step 4: Simplify right side
   81,514.10x = 4,537,471,729.02
5. Step 5: Solve for x
   x = 4,537,471,729.02/81,514.10
6. Step 6: Final answer
   x = 55,664.87