Finding the Fourth Proportional to 1,897.94, 2,619.15 and 1,047.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,897.94 : 2,619.15 = 1,047.29 : x
2. Step 2: Convert to fraction form
   1,897.94/2,619.15 = 1,047.29/x
3. Step 3: Cross multiply
   1,897.94x = 2,619.15 × 1,047.29
4. Step 4: Simplify right side
   1,897.94x = 2,742,996.51
5. Step 5: Solve for x
   x = 2,742,996.51/1,897.94
6. Step 6: Final answer
   x = 1,445.25