Finding the Fourth Proportional to 3,354.78, 5,032.71 and 1,407.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,354.78 : 5,032.71 = 1,407.18 : x
2. Step 2: Convert to fraction form
   3,354.78/5,032.71 = 1,407.18/x
3. Step 3: Cross multiply
   3,354.78x = 5,032.71 × 1,407.18
4. Step 4: Simplify right side
   3,354.78x = 7,081,928.86
5. Step 5: Solve for x
   x = 7,081,928.86/3,354.78
6. Step 6: Final answer
   x = 2,111.00