Finding the Fourth Proportional to 1,899.02, 2,849.34 and 744.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,899.02 : 2,849.34 = 744.50 : x
2. Step 2: Convert to fraction form
   1,899.02/2,849.34 = 744.50/x
3. Step 3: Cross multiply
   1,899.02x = 2,849.34 × 744.50
4. Step 4: Simplify right side
   1,899.02x = 2,121,333.63
5. Step 5: Solve for x
   x = 2,121,333.63/1,899.02
6. Step 6: Final answer
   x = 1,117.07