Finding the Fourth Proportional to 81,970.64, 113,118.32 and 46,164.16

Step by Step Solution

1. Step 1: Write the proportion equation
   81,970.64 : 113,118.32 = 46,164.16 : x
2. Step 2: Convert to fraction form
   81,970.64/113,118.32 = 46,164.16/x
3. Step 3: Cross multiply
   81,970.64x = 113,118.32 × 46,164.16
4. Step 4: Simplify right side
   81,970.64x = 5,222,012,223.41
5. Step 5: Solve for x
   x = 5,222,012,223.41/81,970.64
6. Step 6: Final answer
   x = 63,705.89