Finding the Fourth Proportional to 36,680.81, 50,619.71 and 21,574.10

Step by Step Solution

1. Step 1: Write the proportion equation
   36,680.81 : 50,619.71 = 21,574.10 : x
2. Step 2: Convert to fraction form
   36,680.81/50,619.71 = 21,574.10/x
3. Step 3: Cross multiply
   36,680.81x = 50,619.71 × 21,574.10
4. Step 4: Simplify right side
   36,680.81x = 1,092,074,866.00
5. Step 5: Solve for x
   x = 1,092,074,866.00/36,680.81
6. Step 6: Final answer
   x = 29,772.38