Finding the Fourth Proportional to 53,796.83, 74,234.41 and 31,131.32

Step by Step Solution

1. Step 1: Write the proportion equation
   53,796.83 : 74,234.41 = 31,131.32 : x
2. Step 2: Convert to fraction form
   53,796.83/74,234.41 = 31,131.32/x
3. Step 3: Cross multiply
   53,796.83x = 74,234.41 × 31,131.32
4. Step 4: Simplify right side
   53,796.83x = 2,311,014,723.72
5. Step 5: Solve for x
   x = 2,311,014,723.72/53,796.83
6. Step 6: Final answer
   x = 42,958.20