Finding the Fourth Proportional to 1,825.34, 2,736.18 and 784.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,825.34 : 2,736.18 = 784.89 : x
2. Step 2: Convert to fraction form
   1,825.34/2,736.18 = 784.89/x
3. Step 3: Cross multiply
   1,825.34x = 2,736.18 × 784.89
4. Step 4: Simplify right side
   1,825.34x = 2,147,600.32
5. Step 5: Solve for x
   x = 2,147,600.32/1,825.34
6. Step 6: Final answer
   x = 1,176.55