Finding the Fourth Proportional to 49,132.50, 67,813.80 and 31,224

Step by Step Solution

1. Step 1: Write the proportion equation
   49,132.50 : 67,813.80 = 31,224 : x
2. Step 2: Convert to fraction form
   49,132.50/67,813.80 = 31,224/x
3. Step 3: Cross multiply
   49,132.50x = 67,813.80 × 31,224
4. Step 4: Simplify right side
   49,132.50x = 2,117,418,091.20
5. Step 5: Solve for x
   x = 2,117,418,091.20/49,132.50
6. Step 6: Final answer
   x = 43,096.08