Finding the Fourth Proportional to 83,871, 115,743.78 and 46,145.32

Step by Step Solution

1. Step 1: Write the proportion equation
   83,871 : 115,743.78 = 46,145.32 : x
2. Step 2: Convert to fraction form
   83,871/115,743.78 = 46,145.32/x
3. Step 3: Cross multiply
   83,871x = 115,743.78 × 46,145.32
4. Step 4: Simplify right side
   83,871x = 5,341,033,766.11
5. Step 5: Solve for x
   x = 5,341,033,766.11/83,871
6. Step 6: Final answer
   x = 63,681.53