Finding the Fourth Proportional to 1,518.31, 2,093.06 and 1,307.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,518.31 : 2,093.06 = 1,307.57 : x
2. Step 2: Convert to fraction form
   1,518.31/2,093.06 = 1,307.57/x
3. Step 3: Cross multiply
   1,518.31x = 2,093.06 × 1,307.57
4. Step 4: Simplify right side
   1,518.31x = 2,736,815.93
5. Step 5: Solve for x
   x = 2,736,815.93/1,518.31
6. Step 6: Final answer
   x = 1,802.55