Finding the Fourth Proportional to 52,168.16, 71,980.98 and 30,954.32

Step by Step Solution

1. Step 1: Write the proportion equation
   52,168.16 : 71,980.98 = 30,954.32 : x
2. Step 2: Convert to fraction form
   52,168.16/71,980.98 = 30,954.32/x
3. Step 3: Cross multiply
   52,168.16x = 71,980.98 × 30,954.32
4. Step 4: Simplify right side
   52,168.16x = 2,228,122,288.83
5. Step 5: Solve for x
   x = 2,228,122,288.83/52,168.16
6. Step 6: Final answer
   x = 42,710.39