Finding the Fourth Proportional to 52,841, 72,920.58 and 30,485

Step by Step Solution

1. Step 1: Write the proportion equation
   52,841 : 72,920.58 = 30,485 : x
2. Step 2: Convert to fraction form
   52,841/72,920.58 = 30,485/x
3. Step 3: Cross multiply
   52,841x = 72,920.58 × 30,485
4. Step 4: Simplify right side
   52,841x = 2,222,983,881.30
5. Step 5: Solve for x
   x = 2,222,983,881.30/52,841
6. Step 6: Final answer
   x = 42,069.30