Finding the Fourth Proportional to 3,736.08, 5,156.72 and 2,165.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,736.08 : 5,156.72 = 2,165.12 : x
2. Step 2: Convert to fraction form
   3,736.08/5,156.72 = 2,165.12/x
3. Step 3: Cross multiply
   3,736.08x = 5,156.72 × 2,165.12
4. Step 4: Simplify right side
   3,736.08x = 11,164,917.61
5. Step 5: Solve for x
   x = 11,164,917.61/3,736.08
6. Step 6: Final answer
   x = 2,988.40