Finding the Fourth Proportional to 1,898.34, 2,619.52 and 1,112.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,898.34 : 2,619.52 = 1,112.37 : x
2. Step 2: Convert to fraction form
   1,898.34/2,619.52 = 1,112.37/x
3. Step 3: Cross multiply
   1,898.34x = 2,619.52 × 1,112.37
4. Step 4: Simplify right side
   1,898.34x = 2,913,875.46
5. Step 5: Solve for x
   x = 2,913,875.46/1,898.34
6. Step 6: Final answer
   x = 1,534.96