Finding the Fourth Proportional to 151,230.72, 208,366.72 and 112,828.16

Step by Step Solution

1. Step 1: Write the proportion equation
   151,230.72 : 208,366.72 = 112,828.16 : x
2. Step 2: Convert to fraction form
   151,230.72/208,366.72 = 112,828.16/x
3. Step 3: Cross multiply
   151,230.72x = 208,366.72 × 112,828.16
4. Step 4: Simplify right side
   151,230.72x = 23,509,633,622.84
5. Step 5: Solve for x
   x = 23,509,633,622.84/151,230.72
6. Step 6: Final answer
   x = 155,455.41