Finding the Fourth Proportional to 1,376.25, 2,061.30 and 882.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,376.25 : 2,061.30 = 882.96 : x
2. Step 2: Convert to fraction form
   1,376.25/2,061.30 = 882.96/x
3. Step 3: Cross multiply
   1,376.25x = 2,061.30 × 882.96
4. Step 4: Simplify right side
   1,376.25x = 1,820,045.45
5. Step 5: Solve for x
   x = 1,820,045.45/1,376.25
6. Step 6: Final answer
   x = 1,322.47