Finding the Fourth Proportional to 111,996.48, 154,559.04 and 64,259.52

Step by Step Solution

1. Step 1: Write the proportion equation
   111,996.48 : 154,559.04 = 64,259.52 : x
2. Step 2: Convert to fraction form
   111,996.48/154,559.04 = 64,259.52/x
3. Step 3: Cross multiply
   111,996.48x = 154,559.04 × 64,259.52
4. Step 4: Simplify right side
   111,996.48x = 9,931,889,722.06
5. Step 5: Solve for x
   x = 9,931,889,722.06/111,996.48
6. Step 6: Final answer
   x = 88,680.37