Finding the Fourth Proportional to 8,337.39, 12,507.77 and 3,407.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,337.39 : 12,507.77 = 3,407.42 : x
2. Step 2: Convert to fraction form
   8,337.39/12,507.77 = 3,407.42/x
3. Step 3: Cross multiply
   8,337.39x = 12,507.77 × 3,407.42
4. Step 4: Simplify right side
   8,337.39x = 42,619,225.65
5. Step 5: Solve for x
   x = 42,619,225.65/8,337.39
6. Step 6: Final answer
   x = 5,111.82