Finding the Fourth Proportional to 102,300.09, 153,473.03 and 31,229.05

Step by Step Solution

1. Step 1: Write the proportion equation
   102,300.09 : 153,473.03 = 31,229.05 : x
2. Step 2: Convert to fraction form
   102,300.09/153,473.03 = 31,229.05/x
3. Step 3: Cross multiply
   102,300.09x = 153,473.03 × 31,229.05
4. Step 4: Simplify right side
   102,300.09x = 4,792,816,621.91
5. Step 5: Solve for x
   x = 4,792,816,621.91/102,300.09
6. Step 6: Final answer
   x = 46,850.56