Finding the Fourth Proportional to 52,090.16, 71,885.76 and 30,866

Step by Step Solution

1. Step 1: Write the proportion equation
   52,090.16 : 71,885.76 = 30,866 : x
2. Step 2: Convert to fraction form
   52,090.16/71,885.76 = 30,866/x
3. Step 3: Cross multiply
   52,090.16x = 71,885.76 × 30,866
4. Step 4: Simplify right side
   52,090.16x = 2,218,825,868.16
5. Step 5: Solve for x
   x = 2,218,825,868.16/52,090.16
6. Step 6: Final answer
   x = 42,595.87