Finding the Fourth Proportional to 1,914.25, 2,870.76 and 744.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,914.25 : 2,870.76 = 744.17 : x
2. Step 2: Convert to fraction form
   1,914.25/2,870.76 = 744.17/x
3. Step 3: Cross multiply
   1,914.25x = 2,870.76 × 744.17
4. Step 4: Simplify right side
   1,914.25x = 2,136,333.47
5. Step 5: Solve for x
   x = 2,136,333.47/1,914.25
6. Step 6: Final answer
   x = 1,116.02