Finding the Fourth Proportional to 111,563.39, 153,955.90 and 63,164.06

Step by Step Solution

1. Step 1: Write the proportion equation
   111,563.39 : 153,955.90 = 63,164.06 : x
2. Step 2: Convert to fraction form
   111,563.39/153,955.90 = 63,164.06/x
3. Step 3: Cross multiply
   111,563.39x = 153,955.90 × 63,164.06
4. Step 4: Simplify right side
   111,563.39x = 9,724,480,146.58
5. Step 5: Solve for x
   x = 9,724,480,146.58/111,563.39
6. Step 6: Final answer
   x = 87,165.52