Finding the Fourth Proportional to 1,948.40, 2,934.89 and 1,776.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,948.40 : 2,934.89 = 1,776.16 : x
2. Step 2: Convert to fraction form
   1,948.40/2,934.89 = 1,776.16/x
3. Step 3: Cross multiply
   1,948.40x = 2,934.89 × 1,776.16
4. Step 4: Simplify right side
   1,948.40x = 5,212,834.22
5. Step 5: Solve for x
   x = 5,212,834.22/1,948.40
6. Step 6: Final answer
   x = 2,675.44