Finding the Fourth Proportional to 116,760.42, 161,073.45 and 112,233.78

Step by Step Solution

1. Step 1: Write the proportion equation
   116,760.42 : 161,073.45 = 112,233.78 : x
2. Step 2: Convert to fraction form
   116,760.42/161,073.45 = 112,233.78/x
3. Step 3: Cross multiply
   116,760.42x = 161,073.45 × 112,233.78
4. Step 4: Simplify right side
   116,760.42x = 18,077,882,151.14
5. Step 5: Solve for x
   x = 18,077,882,151.14/116,760.42
6. Step 6: Final answer
   x = 154,828.86