Finding the Fourth Proportional to 2,610.63, 3,603.86 and 1,667.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,610.63 : 3,603.86 = 1,667.70 : x
2. Step 2: Convert to fraction form
   2,610.63/3,603.86 = 1,667.70/x
3. Step 3: Cross multiply
   2,610.63x = 3,603.86 × 1,667.70
4. Step 4: Simplify right side
   2,610.63x = 6,010,157.32
5. Step 5: Solve for x
   x = 6,010,157.32/2,610.63
6. Step 6: Final answer
   x = 2,302.19