Finding the Fourth Proportional to 102,068.40, 153,085.28 and 30,973.89

Step by Step Solution

1. Step 1: Write the proportion equation
   102,068.40 : 153,085.28 = 30,973.89 : x
2. Step 2: Convert to fraction form
   102,068.40/153,085.28 = 30,973.89/x
3. Step 3: Cross multiply
   102,068.40x = 153,085.28 × 30,973.89
4. Step 4: Simplify right side
   102,068.40x = 4,741,647,042.54
5. Step 5: Solve for x
   x = 4,741,647,042.54/102,068.40
6. Step 6: Final answer
   x = 46,455.58