Finding the Fourth Proportional to 46,399.21, 69,567.56 and 21,425.49

Step by Step Solution

1. Step 1: Write the proportion equation
   46,399.21 : 69,567.56 = 21,425.49 : x
2. Step 2: Convert to fraction form
   46,399.21/69,567.56 = 21,425.49/x
3. Step 3: Cross multiply
   46,399.21x = 69,567.56 × 21,425.49
4. Step 4: Simplify right side
   46,399.21x = 1,490,519,034.32
5. Step 5: Solve for x
   x = 1,490,519,034.32/46,399.21
6. Step 6: Final answer
   x = 32,123.80