Finding the Fourth Proportional to 2,345.03, 3,518.18 and 785.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,345.03 : 3,518.18 = 785.29 : x
2. Step 2: Convert to fraction form
   2,345.03/3,518.18 = 785.29/x
3. Step 3: Cross multiply
   2,345.03x = 3,518.18 × 785.29
4. Step 4: Simplify right side
   2,345.03x = 2,762,772.02
5. Step 5: Solve for x
   x = 2,762,772.02/2,345.03
6. Step 6: Final answer
   x = 1,178.14