Finding the Fourth Proportional to 2,186.07, 3,017.05 and 1,301.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,186.07 : 3,017.05 = 1,301.86 : x
2. Step 2: Convert to fraction form
   2,186.07/3,017.05 = 1,301.86/x
3. Step 3: Cross multiply
   2,186.07x = 3,017.05 × 1,301.86
4. Step 4: Simplify right side
   2,186.07x = 3,927,761.63
5. Step 5: Solve for x
   x = 3,927,761.63/2,186.07
6. Step 6: Final answer
   x = 1,796.72