Finding the Fourth Proportional to 57,327.42, 79,111.31 and 31,833.15

Step by Step Solution

1. Step 1: Write the proportion equation
   57,327.42 : 79,111.31 = 31,833.15 : x
2. Step 2: Convert to fraction form
   57,327.42/79,111.31 = 31,833.15/x
3. Step 3: Cross multiply
   57,327.42x = 79,111.31 × 31,833.15
4. Step 4: Simplify right side
   57,327.42x = 2,518,362,276.63
5. Step 5: Solve for x
   x = 2,518,362,276.63/57,327.42
6. Step 6: Final answer
   x = 43,929.45