Finding the Fourth Proportional to 942.36, 1,300.59 and 784.77

Step by Step Solution

1. Step 1: Write the proportion equation
   942.36 : 1,300.59 = 784.77 : x
2. Step 2: Convert to fraction form
   942.36/1,300.59 = 784.77/x
3. Step 3: Cross multiply
   942.36x = 1,300.59 × 784.77
4. Step 4: Simplify right side
   942.36x = 1,020,664.01
5. Step 5: Solve for x
   x = 1,020,664.01/942.36
6. Step 6: Final answer
   x = 1,083.09