Finding the Fourth Proportional to 2,516.06, 3,774.20 and 784.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,516.06 : 3,774.20 = 784.69 : x
2. Step 2: Convert to fraction form
   2,516.06/3,774.20 = 784.69/x
3. Step 3: Cross multiply
   2,516.06x = 3,774.20 × 784.69
4. Step 4: Simplify right side
   2,516.06x = 2,961,563.64
5. Step 5: Solve for x
   x = 2,961,563.64/2,516.06
6. Step 6: Final answer
   x = 1,177.06