Finding the Fourth Proportional to 52,848, 72,930.24 and 30,492

Step by Step Solution

1. Step 1: Write the proportion equation
   52,848 : 72,930.24 = 30,492 : x
2. Step 2: Convert to fraction form
   52,848/72,930.24 = 30,492/x
3. Step 3: Cross multiply
   52,848x = 72,930.24 × 30,492
4. Step 4: Simplify right side
   52,848x = 2,223,788,878.08
5. Step 5: Solve for x
   x = 2,223,788,878.08/52,848
6. Step 6: Final answer
   x = 42,078.96