Finding the Fourth Proportional to 1,677.46, 2,513.76 and 945.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,677.46 : 2,513.76 = 945.48 : x
2. Step 2: Convert to fraction form
   1,677.46/2,513.76 = 945.48/x
3. Step 3: Cross multiply
   1,677.46x = 2,513.76 × 945.48
4. Step 4: Simplify right side
   1,677.46x = 2,376,696.83
5. Step 5: Solve for x
   x = 2,376,696.83/1,677.46
6. Step 6: Final answer
   x = 1,416.84