Finding the Fourth Proportional to 110,939.01, 153,106.55 and 65,631.56

Step by Step Solution

1. Step 1: Write the proportion equation
   110,939.01 : 153,106.55 = 65,631.56 : x
2. Step 2: Convert to fraction form
   110,939.01/153,106.55 = 65,631.56/x
3. Step 3: Cross multiply
   110,939.01x = 153,106.55 × 65,631.56
4. Step 4: Simplify right side
   110,939.01x = 10,048,620,629.03
5. Step 5: Solve for x
   x = 10,048,620,629.03/110,939.01
6. Step 6: Final answer
   x = 90,577.88