Finding the Fourth Proportional to 8,334.48, 12,499.56 and 3,402.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,334.48 : 12,499.56 = 3,402.12 : x
2. Step 2: Convert to fraction form
   8,334.48/12,499.56 = 3,402.12/x
3. Step 3: Cross multiply
   8,334.48x = 12,499.56 × 3,402.12
4. Step 4: Simplify right side
   8,334.48x = 42,525,003.07
5. Step 5: Solve for x
   x = 42,525,003.07/8,334.48
6. Step 6: Final answer
   x = 5,102.30