Finding the Fourth Proportional to 52,898.96, 72,989.16 and 30,530

Step by Step Solution

1. Step 1: Write the proportion equation
   52,898.96 : 72,989.16 = 30,530 : x
2. Step 2: Convert to fraction form
   52,898.96/72,989.16 = 30,530/x
3. Step 3: Cross multiply
   52,898.96x = 72,989.16 × 30,530
4. Step 4: Simplify right side
   52,898.96x = 2,228,359,054.80
5. Step 5: Solve for x
   x = 2,228,359,054.80/52,898.96
6. Step 6: Final answer
   x = 42,124.82