Finding the Fourth Proportional to 47,111.56, 65,023.14 and 31,196.68

Step by Step Solution

1. Step 1: Write the proportion equation
   47,111.56 : 65,023.14 = 31,196.68 : x
2. Step 2: Convert to fraction form
   47,111.56/65,023.14 = 31,196.68/x
3. Step 3: Cross multiply
   47,111.56x = 65,023.14 × 31,196.68
4. Step 4: Simplify right side
   47,111.56x = 2,028,506,091.18
5. Step 5: Solve for x
   x = 2,028,506,091.18/47,111.56
6. Step 6: Final answer
   x = 43,057.50