Finding the Fourth Proportional to 1,344.51, 1,856.01 and 784.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,344.51 : 1,856.01 = 784.77 : x
2. Step 2: Convert to fraction form
   1,344.51/1,856.01 = 784.77/x
3. Step 3: Cross multiply
   1,344.51x = 1,856.01 × 784.77
4. Step 4: Simplify right side
   1,344.51x = 1,456,531.69
5. Step 5: Solve for x
   x = 1,456,531.69/1,344.51
6. Step 6: Final answer
   x = 1,083.32