Finding the Fourth Proportional to 54,090.12, 80,937.82 and 31,914.12

Step by Step Solution

1. Step 1: Write the proportion equation
   54,090.12 : 80,937.82 = 31,914.12 : x
2. Step 2: Convert to fraction form
   54,090.12/80,937.82 = 31,914.12/x
3. Step 3: Cross multiply
   54,090.12x = 80,937.82 × 31,914.12
4. Step 4: Simplify right side
   54,090.12x = 2,583,059,300.02
5. Step 5: Solve for x
   x = 2,583,059,300.02/54,090.12
6. Step 6: Final answer
   x = 47,754.73