Finding the Fourth Proportional to 46,567.69, 69,809.42 and 16,978.61

Step by Step Solution

1. Step 1: Write the proportion equation
   46,567.69 : 69,809.42 = 16,978.61 : x
2. Step 2: Convert to fraction form
   46,567.69/69,809.42 = 16,978.61/x
3. Step 3: Cross multiply
   46,567.69x = 69,809.42 × 16,978.61
4. Step 4: Simplify right side
   46,567.69x = 1,185,266,916.51
5. Step 5: Solve for x
   x = 1,185,266,916.51/46,567.69
6. Step 6: Final answer
   x = 25,452.56