Finding the Fourth Proportional to 11,670.12, 17,498.94 and 3,876.12

Step by Step Solution

1. Step 1: Write the proportion equation
   11,670.12 : 17,498.94 = 3,876.12 : x
2. Step 2: Convert to fraction form
   11,670.12/17,498.94 = 3,876.12/x
3. Step 3: Cross multiply
   11,670.12x = 17,498.94 × 3,876.12
4. Step 4: Simplify right side
   11,670.12x = 67,827,991.31
5. Step 5: Solve for x
   x = 67,827,991.31/11,670.12
6. Step 6: Final answer
   x = 5,812.11