Finding the Fourth Proportional to 47,111.34, 65,019.18 and 27,991.27

Step by Step Solution

1. Step 1: Write the proportion equation
   47,111.34 : 65,019.18 = 27,991.27 : x
2. Step 2: Convert to fraction form
   47,111.34/65,019.18 = 27,991.27/x
3. Step 3: Cross multiply
   47,111.34x = 65,019.18 × 27,991.27
4. Step 4: Simplify right side
   47,111.34x = 1,819,969,155.04
5. Step 5: Solve for x
   x = 1,819,969,155.04/47,111.34
6. Step 6: Final answer
   x = 38,631.24