Finding the Fourth Proportional to 52,955.94, 73,065.24 and 31,440

Step by Step Solution

1. Step 1: Write the proportion equation
   52,955.94 : 73,065.24 = 31,440 : x
2. Step 2: Convert to fraction form
   52,955.94/73,065.24 = 31,440/x
3. Step 3: Cross multiply
   52,955.94x = 73,065.24 × 31,440
4. Step 4: Simplify right side
   52,955.94x = 2,297,171,145.60
5. Step 5: Solve for x
   x = 2,297,171,145.60/52,955.94
6. Step 6: Final answer
   x = 43,378.91