Finding the Fourth Proportional to 3,780.78, 5,213.98 and 2,364.01

Step by Step Solution

1. Step 1: Write the proportion equation
   3,780.78 : 5,213.98 = 2,364.01 : x
2. Step 2: Convert to fraction form
   3,780.78/5,213.98 = 2,364.01/x
3. Step 3: Cross multiply
   3,780.78x = 5,213.98 × 2,364.01
4. Step 4: Simplify right side
   3,780.78x = 12,325,900.86
5. Step 5: Solve for x
   x = 12,325,900.86/3,780.78
6. Step 6: Final answer
   x = 3,260.15