Finding the Fourth Proportional to 81,196.56, 121,622.04 and 46,118.16

Step by Step Solution

1. Step 1: Write the proportion equation
   81,196.56 : 121,622.04 = 46,118.16 : x
2. Step 2: Convert to fraction form
   81,196.56/121,622.04 = 46,118.16/x
3. Step 3: Cross multiply
   81,196.56x = 121,622.04 × 46,118.16
4. Step 4: Simplify right side
   81,196.56x = 5,608,984,700.25
5. Step 5: Solve for x
   x = 5,608,984,700.25/81,196.56
6. Step 6: Final answer
   x = 69,079.09