Finding the Fourth Proportional to 1,410.39, 2,111.94 and 784.26

Step by Step Solution

1. Step 1: Write the proportion equation
   1,410.39 : 2,111.94 = 784.26 : x
2. Step 2: Convert to fraction form
   1,410.39/2,111.94 = 784.26/x
3. Step 3: Cross multiply
   1,410.39x = 2,111.94 × 784.26
4. Step 4: Simplify right side
   1,410.39x = 1,656,310.06
5. Step 5: Solve for x
   x = 1,656,310.06/1,410.39
6. Step 6: Final answer
   x = 1,174.36