Finding the Fourth Proportional to 1,404.08, 1,937.56 and 782.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.08 : 1,937.56 = 782.96 : x
2. Step 2: Convert to fraction form
   1,404.08/1,937.56 = 782.96/x
3. Step 3: Cross multiply
   1,404.08x = 1,937.56 × 782.96
4. Step 4: Simplify right side
   1,404.08x = 1,517,031.98
5. Step 5: Solve for x
   x = 1,517,031.98/1,404.08
6. Step 6: Final answer
   x = 1,080.45