Finding the Fourth Proportional to 111,705, 154,152.90 and 63,974.16

Step by Step Solution

1. Step 1: Write the proportion equation
   111,705 : 154,152.90 = 63,974.16 : x
2. Step 2: Convert to fraction form
   111,705/154,152.90 = 63,974.16/x
3. Step 3: Cross multiply
   111,705x = 154,152.90 × 63,974.16
4. Step 4: Simplify right side
   111,705x = 9,861,802,289.06
5. Step 5: Solve for x
   x = 9,861,802,289.06/111,705
6. Step 6: Final answer
   x = 88,284.34