Finding the Fourth Proportional to 2,379.98, 3,570.32 and 736.66

Step by Step Solution

1. Step 1: Write the proportion equation
   2,379.98 : 3,570.32 = 736.66 : x
2. Step 2: Convert to fraction form
   2,379.98/3,570.32 = 736.66/x
3. Step 3: Cross multiply
   2,379.98x = 3,570.32 × 736.66
4. Step 4: Simplify right side
   2,379.98x = 2,630,099.32
5. Step 5: Solve for x
   x = 2,630,099.32/2,379.98
6. Step 6: Final answer
   x = 1,105.09