Finding the Fourth Proportional to 1,953.69, 2,930.69 and 567.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,953.69 : 2,930.69 = 567.05 : x
2. Step 2: Convert to fraction form
   1,953.69/2,930.69 = 567.05/x
3. Step 3: Cross multiply
   1,953.69x = 2,930.69 × 567.05
4. Step 4: Simplify right side
   1,953.69x = 1,661,830.28
5. Step 5: Solve for x
   x = 1,661,830.28/1,953.69
6. Step 6: Final answer
   x = 850.61