Finding the Fourth Proportional to 8,736.18, 13,106.16 and 2,892.58

Step by Step Solution

1. Step 1: Write the proportion equation
   8,736.18 : 13,106.16 = 2,892.58 : x
2. Step 2: Convert to fraction form
   8,736.18/13,106.16 = 2,892.58/x
3. Step 3: Cross multiply
   8,736.18x = 13,106.16 × 2,892.58
4. Step 4: Simplify right side
   8,736.18x = 37,910,616.29
5. Step 5: Solve for x
   x = 37,910,616.29/8,736.18
6. Step 6: Final answer
   x = 4,339.50