Finding the Fourth Proportional to 201,003.12, 301,570.20 and 101,111.76

Step by Step Solution

1. Step 1: Write the proportion equation
   201,003.12 : 301,570.20 = 101,111.76 : x
2. Step 2: Convert to fraction form
   201,003.12/301,570.20 = 101,111.76/x
3. Step 3: Cross multiply
   201,003.12x = 301,570.20 × 101,111.76
4. Step 4: Simplify right side
   201,003.12x = 30,492,293,685.55
5. Step 5: Solve for x
   x = 30,492,293,685.55/201,003.12
6. Step 6: Final answer
   x = 151,700.60