Finding the Fourth Proportional to 112,036.56, 154,621.08 and 64,300.56

Step by Step Solution

1. Step 1: Write the proportion equation
   112,036.56 : 154,621.08 = 64,300.56 : x
2. Step 2: Convert to fraction form
   112,036.56/154,621.08 = 64,300.56/x
3. Step 3: Cross multiply
   112,036.56x = 154,621.08 × 64,300.56
4. Step 4: Simplify right side
   112,036.56x = 9,942,222,031.80
5. Step 5: Solve for x
   x = 9,942,222,031.80/112,036.56
6. Step 6: Final answer
   x = 88,740.87