Finding the Fourth Proportional to 81,878.36, 112,986.05 and 46,061.46

Step by Step Solution

1. Step 1: Write the proportion equation
   81,878.36 : 112,986.05 = 46,061.46 : x
2. Step 2: Convert to fraction form
   81,878.36/112,986.05 = 46,061.46/x
3. Step 3: Cross multiply
   81,878.36x = 112,986.05 × 46,061.46
4. Step 4: Simplify right side
   81,878.36x = 5,204,302,192.33
5. Step 5: Solve for x
   x = 5,204,302,192.33/81,878.36
6. Step 6: Final answer
   x = 63,561.39