Finding the Fourth Proportional to 2,192.82, 3,025.80 and 1,407.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,192.82 : 3,025.80 = 1,407.93 : x
2. Step 2: Convert to fraction form
   2,192.82/3,025.80 = 1,407.93/x
3. Step 3: Cross multiply
   2,192.82x = 3,025.80 × 1,407.93
4. Step 4: Simplify right side
   2,192.82x = 4,260,114.59
5. Step 5: Solve for x
   x = 4,260,114.59/2,192.82
6. Step 6: Final answer
   x = 1,942.76