Finding the Fourth Proportional to 112,301.12, 154,986.96 and 64,556.48

Step by Step Solution

1. Step 1: Write the proportion equation
   112,301.12 : 154,986.96 = 64,556.48 : x
2. Step 2: Convert to fraction form
   112,301.12/154,986.96 = 64,556.48/x
3. Step 3: Cross multiply
   112,301.12x = 154,986.96 × 64,556.48
4. Step 4: Simplify right side
   112,301.12x = 10,005,412,583.50
5. Step 5: Solve for x
   x = 10,005,412,583.50/112,301.12
6. Step 6: Final answer
   x = 89,094.50