Finding the Fourth Proportional to 3,615.63, 5,425.67 and 1,667.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,615.63 : 5,425.67 = 1,667.98 : x
2. Step 2: Convert to fraction form
   3,615.63/5,425.67 = 1,667.98/x
3. Step 3: Cross multiply
   3,615.63x = 5,425.67 × 1,667.98
4. Step 4: Simplify right side
   3,615.63x = 9,049,909.05
5. Step 5: Solve for x
   x = 9,049,909.05/3,615.63
6. Step 6: Final answer
   x = 2,503.00