Finding the Fourth Proportional to 49,641.16, 68,477.04 and 30,507.62

Step by Step Solution

1. Step 1: Write the proportion equation
   49,641.16 : 68,477.04 = 30,507.62 : x
2. Step 2: Convert to fraction form
   49,641.16/68,477.04 = 30,507.62/x
3. Step 3: Cross multiply
   49,641.16x = 68,477.04 × 30,507.62
4. Step 4: Simplify right side
   49,641.16x = 2,089,071,515.04
5. Step 5: Solve for x
   x = 2,089,071,515.04/49,641.16
6. Step 6: Final answer
   x = 42,083.45