Finding the Fourth Proportional to 7,479.53, 10,321.61 and 4,076.57

Step by Step Solution

1. Step 1: Write the proportion equation
   7,479.53 : 10,321.61 = 4,076.57 : x
2. Step 2: Convert to fraction form
   7,479.53/10,321.61 = 4,076.57/x
3. Step 3: Cross multiply
   7,479.53x = 10,321.61 × 4,076.57
4. Step 4: Simplify right side
   7,479.53x = 42,076,750.07
5. Step 5: Solve for x
   x = 42,076,750.07/7,479.53
6. Step 6: Final answer
   x = 5,625.59