Finding the Fourth Proportional to 55,279, 76,231.74 and 37,170.52

Step by Step Solution

1. Step 1: Write the proportion equation
   55,279 : 76,231.74 = 37,170.52 : x
2. Step 2: Convert to fraction form
   55,279/76,231.74 = 37,170.52/x
3. Step 3: Cross multiply
   55,279x = 76,231.74 × 37,170.52
4. Step 4: Simplify right side
   55,279x = 2,833,573,416.30
5. Step 5: Solve for x
   x = 2,833,573,416.30/55,279
6. Step 6: Final answer
   x = 51,259.49