Finding the Fourth Proportional to 34,561.37, 51,801.59 and 13,200.09

Step by Step Solution

1. Step 1: Write the proportion equation
   34,561.37 : 51,801.59 = 13,200.09 : x
2. Step 2: Convert to fraction form
   34,561.37/51,801.59 = 13,200.09/x
3. Step 3: Cross multiply
   34,561.37x = 51,801.59 × 13,200.09
4. Step 4: Simplify right side
   34,561.37x = 683,785,650.14
5. Step 5: Solve for x
   x = 683,785,650.14/34,561.37
6. Step 6: Final answer
   x = 19,784.68