Finding the Fourth Proportional to 52,792.62, 72,855.82 and 30,135.30

Step by Step Solution

1. Step 1: Write the proportion equation
   52,792.62 : 72,855.82 = 30,135.30 : x
2. Step 2: Convert to fraction form
   52,792.62/72,855.82 = 30,135.30/x
3. Step 3: Cross multiply
   52,792.62x = 72,855.82 × 30,135.30
4. Step 4: Simplify right side
   52,792.62x = 2,195,531,992.45
5. Step 5: Solve for x
   x = 2,195,531,992.45/52,792.62
6. Step 6: Final answer
   x = 41,587.86