Finding the Fourth Proportional to 10,064.42, 15,100.89 and 5,383.21

Step by Step Solution

1. Step 1: Write the proportion equation
   10,064.42 : 15,100.89 = 5,383.21 : x
2. Step 2: Convert to fraction form
   10,064.42/15,100.89 = 5,383.21/x
3. Step 3: Cross multiply
   10,064.42x = 15,100.89 × 5,383.21
4. Step 4: Simplify right side
   10,064.42x = 81,291,186.55
5. Step 5: Solve for x
   x = 81,291,186.55/10,064.42
6. Step 6: Final answer
   x = 8,077.09