Finding the Fourth Proportional to 3,417.69, 5,115.59 and 1,771.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,417.69 : 5,115.59 = 1,771.98 : x
2. Step 2: Convert to fraction form
   3,417.69/5,115.59 = 1,771.98/x
3. Step 3: Cross multiply
   3,417.69x = 5,115.59 × 1,771.98
4. Step 4: Simplify right side
   3,417.69x = 9,064,701.77
5. Step 5: Solve for x
   x = 9,064,701.77/3,417.69
6. Step 6: Final answer
   x = 2,652.29