Finding the Fourth Proportional to 80,621.10, 111,254.72 and 46,164.68

Step by Step Solution

1. Step 1: Write the proportion equation
   80,621.10 : 111,254.72 = 46,164.68 : x
2. Step 2: Convert to fraction form
   80,621.10/111,254.72 = 46,164.68/x
3. Step 3: Cross multiply
   80,621.10x = 111,254.72 × 46,164.68
4. Step 4: Simplify right side
   80,621.10x = 5,136,038,547.29
5. Step 5: Solve for x
   x = 5,136,038,547.29/80,621.10
6. Step 6: Final answer
   x = 63,705.89