Finding the Fourth Proportional to 36,216.72, 49,926.64 and 25,428.72

Step by Step Solution

1. Step 1: Write the proportion equation
   36,216.72 : 49,926.64 = 25,428.72 : x
2. Step 2: Convert to fraction form
   36,216.72/49,926.64 = 25,428.72/x
3. Step 3: Cross multiply
   36,216.72x = 49,926.64 × 25,428.72
4. Step 4: Simplify right side
   36,216.72x = 1,269,570,549.10
5. Step 5: Solve for x
   x = 1,269,570,549.10/36,216.72
6. Step 6: Final answer
   x = 35,054.82