Finding the Fourth Proportional to 52,788.48, 72,830.04 and 30,111.18

Step by Step Solution

1. Step 1: Write the proportion equation
   52,788.48 : 72,830.04 = 30,111.18 : x
2. Step 2: Convert to fraction form
   52,788.48/72,830.04 = 30,111.18/x
3. Step 3: Cross multiply
   52,788.48x = 72,830.04 × 30,111.18
4. Step 4: Simplify right side
   52,788.48x = 2,192,998,443.85
5. Step 5: Solve for x
   x = 2,192,998,443.85/52,788.48
6. Step 6: Final answer
   x = 41,543.13