Finding the Fourth Proportional to 5,630.34, 7,762.58 and 3,858.78

Step by Step Solution

1. Step 1: Write the proportion equation
   5,630.34 : 7,762.58 = 3,858.78 : x
2. Step 2: Convert to fraction form
   5,630.34/7,762.58 = 3,858.78/x
3. Step 3: Cross multiply
   5,630.34x = 7,762.58 × 3,858.78
4. Step 4: Simplify right side
   5,630.34x = 29,954,088.45
5. Step 5: Solve for x
   x = 29,954,088.45/5,630.34
6. Step 6: Final answer
   x = 5,320.12