Finding the Fourth Proportional to 45,631.83, 68,401.15 and 30,842.25

Step by Step Solution

1. Step 1: Write the proportion equation
   45,631.83 : 68,401.15 = 30,842.25 : x
2. Step 2: Convert to fraction form
   45,631.83/68,401.15 = 30,842.25/x
3. Step 3: Cross multiply
   45,631.83x = 68,401.15 × 30,842.25
4. Step 4: Simplify right side
   45,631.83x = 2,109,645,368.59
5. Step 5: Solve for x
   x = 2,109,645,368.59/45,631.83
6. Step 6: Final answer
   x = 46,231.88