Finding the Fourth Proportional to 121,146.30, 182,527.02 and 111,581.82

Step by Step Solution

1. Step 1: Write the proportion equation
   121,146.30 : 182,527.02 = 111,581.82 : x
2. Step 2: Convert to fraction form
   121,146.30/182,527.02 = 111,581.82/x
3. Step 3: Cross multiply
   121,146.30x = 182,527.02 × 111,581.82
4. Step 4: Simplify right side
   121,146.30x = 20,366,697,090.78
5. Step 5: Solve for x
   x = 20,366,697,090.78/121,146.30
6. Step 6: Final answer
   x = 168,116.54