Finding the Fourth Proportional to 201,158.10, 301,773.60 and 101,066.40

Step by Step Solution

1. Step 1: Write the proportion equation
   201,158.10 : 301,773.60 = 101,066.40 : x
2. Step 2: Convert to fraction form
   201,158.10/301,773.60 = 101,066.40/x
3. Step 3: Cross multiply
   201,158.10x = 301,773.60 × 101,066.40
4. Step 4: Simplify right side
   201,158.10x = 30,499,171,367.04
5. Step 5: Solve for x
   x = 30,499,171,367.04/201,158.10
6. Step 6: Final answer
   x = 151,617.91