Finding the Fourth Proportional to 52,814, 72,885.48 and 30,458

Step by Step Solution

1. Step 1: Write the proportion equation
   52,814 : 72,885.48 = 30,458 : x
2. Step 2: Convert to fraction form
   52,814/72,885.48 = 30,458/x
3. Step 3: Cross multiply
   52,814x = 72,885.48 × 30,458
4. Step 4: Simplify right side
   52,814x = 2,219,945,949.84
5. Step 5: Solve for x
   x = 2,219,945,949.84/52,814
6. Step 6: Final answer
   x = 42,033.29