Finding the Fourth Proportional to 8,936.52, 13,412.86 and 4,780.04

Step by Step Solution

1. Step 1: Write the proportion equation
   8,936.52 : 13,412.86 = 4,780.04 : x
2. Step 2: Convert to fraction form
   8,936.52/13,412.86 = 4,780.04/x
3. Step 3: Cross multiply
   8,936.52x = 13,412.86 × 4,780.04
4. Step 4: Simplify right side
   8,936.52x = 64,114,007.31
5. Step 5: Solve for x
   x = 64,114,007.31/8,936.52
6. Step 6: Final answer
   x = 7,174.38