Finding the Fourth Proportional to 7,315.01, 10,094.82 and 4,128.47

Step by Step Solution

1. Step 1: Write the proportion equation
   7,315.01 : 10,094.82 = 4,128.47 : x
2. Step 2: Convert to fraction form
   7,315.01/10,094.82 = 4,128.47/x
3. Step 3: Cross multiply
   7,315.01x = 10,094.82 × 4,128.47
4. Step 4: Simplify right side
   7,315.01x = 41,676,161.53
5. Step 5: Solve for x
   x = 41,676,161.53/7,315.01
6. Step 6: Final answer
   x = 5,697.35