Finding the Fourth Proportional to 7,480.61, 10,323.46 and 4,123.64

Step by Step Solution

1. Step 1: Write the proportion equation
   7,480.61 : 10,323.46 = 4,123.64 : x
2. Step 2: Convert to fraction form
   7,480.61/10,323.46 = 4,123.64/x
3. Step 3: Cross multiply
   7,480.61x = 10,323.46 × 4,123.64
4. Step 4: Simplify right side
   7,480.61x = 42,570,186.17
5. Step 5: Solve for x
   x = 42,570,186.17/7,480.61
6. Step 6: Final answer
   x = 5,690.74