Finding the Fourth Proportional to 52,042.91, 71,820.17 and 30,548.04

Step by Step Solution

1. Step 1: Write the proportion equation
   52,042.91 : 71,820.17 = 30,548.04 : x
2. Step 2: Convert to fraction form
   52,042.91/71,820.17 = 30,548.04/x
3. Step 3: Cross multiply
   52,042.91x = 71,820.17 × 30,548.04
4. Step 4: Simplify right side
   52,042.91x = 2,193,965,118.46
5. Step 5: Solve for x
   x = 2,193,965,118.46/52,042.91
6. Step 6: Final answer
   x = 42,156.85