Finding the Fourth Proportional to 153,936.31, 230,904.38 and 112,082.71

Step by Step Solution

1. Step 1: Write the proportion equation
   153,936.31 : 230,904.38 = 112,082.71 : x
2. Step 2: Convert to fraction form
   153,936.31/230,904.38 = 112,082.71/x
3. Step 3: Cross multiply
   153,936.31x = 230,904.38 × 112,082.71
4. Step 4: Simplify right side
   153,936.31x = 25,880,388,100.86
5. Step 5: Solve for x
   x = 25,880,388,100.86/153,936.31
6. Step 6: Final answer
   x = 168,124.00