Finding the Fourth Proportional to 1,897.76, 2,619.18 and 1,111.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,897.76 : 2,619.18 = 1,111.82 : x
2. Step 2: Convert to fraction form
   1,897.76/2,619.18 = 1,111.82/x
3. Step 3: Cross multiply
   1,897.76x = 2,619.18 × 1,111.82
4. Step 4: Simplify right side
   1,897.76x = 2,912,043.61
5. Step 5: Solve for x
   x = 2,912,043.61/1,897.76
6. Step 6: Final answer
   x = 1,534.46