Finding the Fourth Proportional to 7,649.61, 10,556.42 and 4,292.42

Step by Step Solution

1. Step 1: Write the proportion equation
   7,649.61 : 10,556.42 = 4,292.42 : x
2. Step 2: Convert to fraction form
   7,649.61/10,556.42 = 4,292.42/x
3. Step 3: Cross multiply
   7,649.61x = 10,556.42 × 4,292.42
4. Step 4: Simplify right side
   7,649.61x = 45,312,588.34
5. Step 5: Solve for x
   x = 45,312,588.34/7,649.61
6. Step 6: Final answer
   x = 5,923.52