Finding the Fourth Proportional to 145,333.63, 200,746.42 and 111,134.42

Step by Step Solution

1. Step 1: Write the proportion equation
   145,333.63 : 200,746.42 = 111,134.42 : x
2. Step 2: Convert to fraction form
   145,333.63/200,746.42 = 111,134.42/x
3. Step 3: Cross multiply
   145,333.63x = 200,746.42 × 111,134.42
4. Step 4: Simplify right side
   145,333.63x = 22,309,836,953.78
5. Step 5: Solve for x
   x = 22,309,836,953.78/145,333.63
6. Step 6: Final answer
   x = 153,507.74