Finding the Fourth Proportional to 9,192.72, 13,780.74 and 3,345.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,192.72 : 13,780.74 = 3,345.18 : x
2. Step 2: Convert to fraction form
   9,192.72/13,780.74 = 3,345.18/x
3. Step 3: Cross multiply
   9,192.72x = 13,780.74 × 3,345.18
4. Step 4: Simplify right side
   9,192.72x = 46,099,055.83
5. Step 5: Solve for x
   x = 46,099,055.83/9,192.72
6. Step 6: Final answer
   x = 5,014.74