Finding the Fourth Proportional to 7,636.32, 10,538.77 and 4,279.09

Step by Step Solution

1. Step 1: Write the proportion equation
   7,636.32 : 10,538.77 = 4,279.09 : x
2. Step 2: Convert to fraction form
   7,636.32/10,538.77 = 4,279.09/x
3. Step 3: Cross multiply
   7,636.32x = 10,538.77 × 4,279.09
4. Step 4: Simplify right side
   7,636.32x = 45,096,345.32
5. Step 5: Solve for x
   x = 45,096,345.32/7,636.32
6. Step 6: Final answer
   x = 5,905.51