Finding the Fourth Proportional to 1,339.03, 1,848.32 and 807.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,339.03 : 1,848.32 = 807.67 : x
2. Step 2: Convert to fraction form
   1,339.03/1,848.32 = 807.67/x
3. Step 3: Cross multiply
   1,339.03x = 1,848.32 × 807.67
4. Step 4: Simplify right side
   1,339.03x = 1,492,833.92
5. Step 5: Solve for x
   x = 1,492,833.92/1,339.03
6. Step 6: Final answer
   x = 1,114.86