Finding the Fourth Proportional to 1,978.14, 2,733.48 and 1,914.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978.14 : 2,733.48 = 1,914.06 : x
2. Step 2: Convert to fraction form
   1,978.14/2,733.48 = 1,914.06/x
3. Step 3: Cross multiply
   1,978.14x = 2,733.48 × 1,914.06
4. Step 4: Simplify right side
   1,978.14x = 5,232,044.73
5. Step 5: Solve for x
   x = 5,232,044.73/1,978.14
6. Step 6: Final answer
   x = 2,644.93