Finding the Fourth Proportional to 1,667.98, 2,300.65 and 1,353.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.98 : 2,300.65 = 1,353.25 : x
2. Step 2: Convert to fraction form
   1,667.98/2,300.65 = 1,353.25/x
3. Step 3: Cross multiply
   1,667.98x = 2,300.65 × 1,353.25
4. Step 4: Simplify right side
   1,667.98x = 3,113,354.61
5. Step 5: Solve for x
   x = 3,113,354.61/1,667.98
6. Step 6: Final answer
   x = 1,866.54