Finding the Fourth Proportional to 1,802.30, 2,487.35 and 1,093.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,802.30 : 2,487.35 = 1,093.98 : x
2. Step 2: Convert to fraction form
   1,802.30/2,487.35 = 1,093.98/x
3. Step 3: Cross multiply
   1,802.30x = 2,487.35 × 1,093.98
4. Step 4: Simplify right side
   1,802.30x = 2,721,120.98
5. Step 5: Solve for x
   x = 2,721,120.98/1,802.30
6. Step 6: Final answer
   x = 1,509.80