Finding the Fourth Proportional to 1,342.03, 1,852.50 and 782.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,342.03 : 1,852.50 = 782.67 : x
2. Step 2: Convert to fraction form
   1,342.03/1,852.50 = 782.67/x
3. Step 3: Cross multiply
   1,342.03x = 1,852.50 × 782.67
4. Step 4: Simplify right side
   1,342.03x = 1,449,892.26
5. Step 5: Solve for x
   x = 1,449,892.26/1,342.03
6. Step 6: Final answer
   x = 1,080.38