Finding the Fourth Proportional to 1,929.54, 2,664.28 and 1,782.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,929.54 : 2,664.28 = 1,782.12 : x
2. Step 2: Convert to fraction form
   1,929.54/2,664.28 = 1,782.12/x
3. Step 3: Cross multiply
   1,929.54x = 2,664.28 × 1,782.12
4. Step 4: Simplify right side
   1,929.54x = 4,748,066.67
5. Step 5: Solve for x
   x = 4,748,066.67/1,929.54
6. Step 6: Final answer
   x = 2,460.72