Finding the Fourth Proportional to 52,166.16, 71,978.22 and 30,952.32

Step by Step Solution

1. Step 1: Write the proportion equation
   52,166.16 : 71,978.22 = 30,952.32 : x
2. Step 2: Convert to fraction form
   52,166.16/71,978.22 = 30,952.32/x
3. Step 3: Cross multiply
   52,166.16x = 71,978.22 × 30,952.32
4. Step 4: Simplify right side
   52,166.16x = 2,227,892,898.47
5. Step 5: Solve for x
   x = 2,227,892,898.47/52,166.16
6. Step 6: Final answer
   x = 42,707.63