Finding the Fourth Proportional to 52,875.24, 72,976.28 and 31,661.32

Step by Step Solution

1. Step 1: Write the proportion equation
   52,875.24 : 72,976.28 = 31,661.32 : x
2. Step 2: Convert to fraction form
   52,875.24/72,976.28 = 31,661.32/x
3. Step 3: Cross multiply
   52,875.24x = 72,976.28 × 31,661.32
4. Step 4: Simplify right side
   52,875.24x = 2,310,525,353.49
5. Step 5: Solve for x
   x = 2,310,525,353.49/52,875.24
6. Step 6: Final answer
   x = 43,697.68