Finding the Fourth Proportional to 36,865.12, 55,300.56 and 13,491.04

Step by Step Solution

1. Step 1: Write the proportion equation
   36,865.12 : 55,300.56 = 13,491.04 : x
2. Step 2: Convert to fraction form
   36,865.12/55,300.56 = 13,491.04/x
3. Step 3: Cross multiply
   36,865.12x = 55,300.56 × 13,491.04
4. Step 4: Simplify right side
   36,865.12x = 746,062,066.98
5. Step 5: Solve for x
   x = 746,062,066.98/36,865.12
6. Step 6: Final answer
   x = 20,237.61