Finding the Fourth Proportional to 17,777.76, 26,668.17 and 4,630.15

Step by Step Solution

1. Step 1: Write the proportion equation
   17,777.76 : 26,668.17 = 4,630.15 : x
2. Step 2: Convert to fraction form
   17,777.76/26,668.17 = 4,630.15/x
3. Step 3: Cross multiply
   17,777.76x = 26,668.17 × 4,630.15
4. Step 4: Simplify right side
   17,777.76x = 123,477,627.33
5. Step 5: Solve for x
   x = 123,477,627.33/17,777.76
6. Step 6: Final answer
   x = 6,945.62