Finding the Fourth Proportional to 3,379.96, 5,066.52 and 1,407.04

Step by Step Solution

1. Step 1: Write the proportion equation
   3,379.96 : 5,066.52 = 1,407.04 : x
2. Step 2: Convert to fraction form
   3,379.96/5,066.52 = 1,407.04/x
3. Step 3: Cross multiply
   3,379.96x = 5,066.52 × 1,407.04
4. Step 4: Simplify right side
   3,379.96x = 7,128,796.30
5. Step 5: Solve for x
   x = 7,128,796.30/3,379.96
6. Step 6: Final answer
   x = 2,109.14