Finding the Fourth Proportional to 1,846.61, 2,769.32 and 613.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,846.61 : 2,769.32 = 613.69 : x
2. Step 2: Convert to fraction form
   1,846.61/2,769.32 = 613.69/x
3. Step 3: Cross multiply
   1,846.61x = 2,769.32 × 613.69
4. Step 4: Simplify right side
   1,846.61x = 1,699,494.00
5. Step 5: Solve for x
   x = 1,699,494.00/1,846.61
6. Step 6: Final answer
   x = 920.33