Finding the Fourth Proportional to 5,152.59, 7,726.59 and 1,641.94

Step by Step Solution

1. Step 1: Write the proportion equation
   5,152.59 : 7,726.59 = 1,641.94 : x
2. Step 2: Convert to fraction form
   5,152.59/7,726.59 = 1,641.94/x
3. Step 3: Cross multiply
   5,152.59x = 7,726.59 × 1,641.94
4. Step 4: Simplify right side
   5,152.59x = 12,686,597.18
5. Step 5: Solve for x
   x = 12,686,597.18/5,152.59
6. Step 6: Final answer
   x = 2,462.18