Finding the Fourth Proportional to 2,657.61, 3,667.53 and 1,478.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,657.61 : 3,667.53 = 1,478.67 : x
2. Step 2: Convert to fraction form
   2,657.61/3,667.53 = 1,478.67/x
3. Step 3: Cross multiply
   2,657.61x = 3,667.53 × 1,478.67
4. Step 4: Simplify right side
   2,657.61x = 5,423,075.75
5. Step 5: Solve for x
   x = 5,423,075.75/2,657.61
6. Step 6: Final answer
   x = 2,040.59