Finding the Fourth Proportional to 102,300.34, 153,473.41 and 31,229.30

Step by Step Solution

1. Step 1: Write the proportion equation
   102,300.34 : 153,473.41 = 31,229.30 : x
2. Step 2: Convert to fraction form
   102,300.34/153,473.41 = 31,229.30/x
3. Step 3: Cross multiply
   102,300.34x = 153,473.41 × 31,229.30
4. Step 4: Simplify right side
   102,300.34x = 4,792,866,701.16
5. Step 5: Solve for x
   x = 4,792,866,701.16/102,300.34
6. Step 6: Final answer
   x = 46,850.94