Finding the Fourth Proportional to 52,780.48, 72,819 and 30,103.18

Step by Step Solution

1. Step 1: Write the proportion equation
   52,780.48 : 72,819 = 30,103.18 : x
2. Step 2: Convert to fraction form
   52,780.48/72,819 = 30,103.18/x
3. Step 3: Cross multiply
   52,780.48x = 72,819 × 30,103.18
4. Step 4: Simplify right side
   52,780.48x = 2,192,083,282.37
5. Step 5: Solve for x
   x = 2,192,083,282.37/52,780.48
6. Step 6: Final answer
   x = 41,532.09