Finding the Fourth Proportional to 55,367.78, 76,404.84 and 31,167.32

Step by Step Solution

1. Step 1: Write the proportion equation
   55,367.78 : 76,404.84 = 31,167.32 : x
2. Step 2: Convert to fraction form
   55,367.78/76,404.84 = 31,167.32/x
3. Step 3: Cross multiply
   55,367.78x = 76,404.84 × 31,167.32
4. Step 4: Simplify right side
   55,367.78x = 2,381,334,097.83
5. Step 5: Solve for x
   x = 2,381,334,097.83/55,367.78
6. Step 6: Final answer
   x = 43,009.38