Finding the Fourth Proportional to 7,636.10, 10,537.63 and 4,279.05

Step by Step Solution

1. Step 1: Write the proportion equation
   7,636.10 : 10,537.63 = 4,279.05 : x
2. Step 2: Convert to fraction form
   7,636.10/10,537.63 = 4,279.05/x
3. Step 3: Cross multiply
   7,636.10x = 10,537.63 × 4,279.05
4. Step 4: Simplify right side
   7,636.10x = 45,091,034.95
5. Step 5: Solve for x
   x = 45,091,034.95/7,636.10
6. Step 6: Final answer
   x = 5,904.99