Finding the Fourth Proportional to 52,816, 72,888.24 and 30,460

Step by Step Solution

1. Step 1: Write the proportion equation
   52,816 : 72,888.24 = 30,460 : x
2. Step 2: Convert to fraction form
   52,816/72,888.24 = 30,460/x
3. Step 3: Cross multiply
   52,816x = 72,888.24 × 30,460
4. Step 4: Simplify right side
   52,816x = 2,220,175,790.40
5. Step 5: Solve for x
   x = 2,220,175,790.40/52,816
6. Step 6: Final answer
   x = 42,036.05