Finding the Fourth Proportional to 1,885.39, 2,602.16 and 1,099.87

Step by Step Solution

1. Step 1: Write the proportion equation
   1,885.39 : 2,602.16 = 1,099.87 : x
2. Step 2: Convert to fraction form
   1,885.39/2,602.16 = 1,099.87/x
3. Step 3: Cross multiply
   1,885.39x = 2,602.16 × 1,099.87
4. Step 4: Simplify right side
   1,885.39x = 2,862,037.72
5. Step 5: Solve for x
   x = 2,862,037.72/1,885.39
6. Step 6: Final answer
   x = 1,518.01