Finding the Fourth Proportional to 1,094.61, 1,511.55 and 1,018.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,094.61 : 1,511.55 = 1,018.07 : x
2. Step 2: Convert to fraction form
   1,094.61/1,511.55 = 1,018.07/x
3. Step 3: Cross multiply
   1,094.61x = 1,511.55 × 1,018.07
4. Step 4: Simplify right side
   1,094.61x = 1,538,851.06
5. Step 5: Solve for x
   x = 1,538,851.06/1,094.61
6. Step 6: Final answer
   x = 1,405.84