Finding the Fourth Proportional to 2,453.75, 3,681.60 and 893.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,453.75 : 3,681.60 = 893.86 : x
2. Step 2: Convert to fraction form
   2,453.75/3,681.60 = 893.86/x
3. Step 3: Cross multiply
   2,453.75x = 3,681.60 × 893.86
4. Step 4: Simplify right side
   2,453.75x = 3,290,818.50
5. Step 5: Solve for x
   x = 3,290,818.50/2,453.75
6. Step 6: Final answer
   x = 1,341.14