Finding the Fourth Proportional to 1,914.30, 2,869.59 and 614.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,914.30 : 2,869.59 = 614.82 : x
2. Step 2: Convert to fraction form
   1,914.30/2,869.59 = 614.82/x
3. Step 3: Cross multiply
   1,914.30x = 2,869.59 × 614.82
4. Step 4: Simplify right side
   1,914.30x = 1,764,281.32
5. Step 5: Solve for x
   x = 1,764,281.32/1,914.30
6. Step 6: Final answer
   x = 921.63