Finding the Fourth Proportional to 49,609.50, 68,470.83 and 30,495.30

Step by Step Solution

1. Step 1: Write the proportion equation
   49,609.50 : 68,470.83 = 30,495.30 : x
2. Step 2: Convert to fraction form
   49,609.50/68,470.83 = 30,495.30/x
3. Step 3: Cross multiply
   49,609.50x = 68,470.83 × 30,495.30
4. Step 4: Simplify right side
   49,609.50x = 2,088,038,502.10
5. Step 5: Solve for x
   x = 2,088,038,502.10/49,609.50
6. Step 6: Final answer
   x = 42,089.49