Finding the Fourth Proportional to 52,419.24, 71,931.69 and 47,667.24

Step by Step Solution

1. Step 1: Write the proportion equation
   52,419.24 : 71,931.69 = 47,667.24 : x
2. Step 2: Convert to fraction form
   52,419.24/71,931.69 = 47,667.24/x
3. Step 3: Cross multiply
   52,419.24x = 71,931.69 × 47,667.24
4. Step 4: Simplify right side
   52,419.24x = 3,428,785,130.84
5. Step 5: Solve for x
   x = 3,428,785,130.84/52,419.24
6. Step 6: Final answer
   x = 65,410.81