Finding the Fourth Proportional to 3,641.61, 5,461.29 and 1,886.07

Step by Step Solution

1. Step 1: Write the proportion equation
   3,641.61 : 5,461.29 = 1,886.07 : x
2. Step 2: Convert to fraction form
   3,641.61/5,461.29 = 1,886.07/x
3. Step 3: Cross multiply
   3,641.61x = 5,461.29 × 1,886.07
4. Step 4: Simplify right side
   3,641.61x = 10,300,375.23
5. Step 5: Solve for x
   x = 10,300,375.23/3,641.61
6. Step 6: Final answer
   x = 2,828.52