Finding the Fourth Proportional to 51,931.56, 71,667.63 and 29,271.50

Step by Step Solution

1. Step 1: Write the proportion equation
   51,931.56 : 71,667.63 = 29,271.50 : x
2. Step 2: Convert to fraction form
   51,931.56/71,667.63 = 29,271.50/x
3. Step 3: Cross multiply
   51,931.56x = 71,667.63 × 29,271.50
4. Step 4: Simplify right side
   51,931.56x = 2,097,818,673.21
5. Step 5: Solve for x
   x = 2,097,818,673.21/51,931.56
6. Step 6: Final answer
   x = 40,395.83