Finding the Fourth Proportional to 36,800.82, 50,784.32 and 21,490.00

Step by Step Solution

1. Step 1: Write the proportion equation
   36,800.82 : 50,784.32 = 21,490.00 : x
2. Step 2: Convert to fraction form
   36,800.82/50,784.32 = 21,490.00/x
3. Step 3: Cross multiply
   36,800.82x = 50,784.32 × 21,490.00
4. Step 4: Simplify right side
   36,800.82x = 1,091,354,782.88
5. Step 5: Solve for x
   x = 1,091,354,782.88/36,800.82
6. Step 6: Final answer
   x = 29,655.72