Finding the Fourth Proportional to 1,415.38, 1,948.98 and 1,283.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,415.38 : 1,948.98 = 1,283.62 : x
2. Step 2: Convert to fraction form
   1,415.38/1,948.98 = 1,283.62/x
3. Step 3: Cross multiply
   1,415.38x = 1,948.98 × 1,283.62
4. Step 4: Simplify right side
   1,415.38x = 2,501,749.71
5. Step 5: Solve for x
   x = 2,501,749.71/1,415.38
6. Step 6: Final answer
   x = 1,767.55