Finding the Fourth Proportional to 2,345.58, 3,516.12 and 784.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,345.58 : 3,516.12 = 784.73 : x
2. Step 2: Convert to fraction form
   2,345.58/3,516.12 = 784.73/x
3. Step 3: Cross multiply
   2,345.58x = 3,516.12 × 784.73
4. Step 4: Simplify right side
   2,345.58x = 2,759,187.27
5. Step 5: Solve for x
   x = 2,759,187.27/2,345.58
6. Step 6: Final answer
   x = 1,176.33