Finding the Fourth Proportional to 5,300.60, 7,308.78 and 3,803.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,300.60 : 7,308.78 = 3,803.72 : x
2. Step 2: Convert to fraction form
   5,300.60/7,308.78 = 3,803.72/x
3. Step 3: Cross multiply
   5,300.60x = 7,308.78 × 3,803.72
4. Step 4: Simplify right side
   5,300.60x = 27,800,552.66
5. Step 5: Solve for x
   x = 27,800,552.66/5,300.60
6. Step 6: Final answer
   x = 5,244.79