Finding the Fourth Proportional to 1,361.95, 1,882.05 and 1,113.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,361.95 : 1,882.05 = 1,113.18 : x
2. Step 2: Convert to fraction form
   1,361.95/1,882.05 = 1,113.18/x
3. Step 3: Cross multiply
   1,361.95x = 1,882.05 × 1,113.18
4. Step 4: Simplify right side
   1,361.95x = 2,095,060.42
5. Step 5: Solve for x
   x = 2,095,060.42/1,361.95
6. Step 6: Final answer
   x = 1,538.28