Finding the Fourth Proportional to 1,885.59, 2,602.53 and 1,099.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,885.59 : 2,602.53 = 1,099.76 : x
2. Step 2: Convert to fraction form
   1,885.59/2,602.53 = 1,099.76/x
3. Step 3: Cross multiply
   1,885.59x = 2,602.53 × 1,099.76
4. Step 4: Simplify right side
   1,885.59x = 2,862,145.38
5. Step 5: Solve for x
   x = 2,862,145.38/1,885.59
6. Step 6: Final answer
   x = 1,517.90