Finding the Fourth Proportional to 7,636.22, 10,538.41 and 4,280.11

Step by Step Solution

1. Step 1: Write the proportion equation
   7,636.22 : 10,538.41 = 4,280.11 : x
2. Step 2: Convert to fraction form
   7,636.22/10,538.41 = 4,280.11/x
3. Step 3: Cross multiply
   7,636.22x = 10,538.41 × 4,280.11
4. Step 4: Simplify right side
   7,636.22x = 45,105,602.34
5. Step 5: Solve for x
   x = 45,105,602.34/7,636.22
6. Step 6: Final answer
   x = 5,906.80