Finding the Fourth Proportional to 49,327.32, 73,794.42 and 42,830.04

Step by Step Solution

1. Step 1: Write the proportion equation
   49,327.32 : 73,794.42 = 42,830.04 : x
2. Step 2: Convert to fraction form
   49,327.32/73,794.42 = 42,830.04/x
3. Step 3: Cross multiply
   49,327.32x = 73,794.42 × 42,830.04
4. Step 4: Simplify right side
   49,327.32x = 3,160,617,960.38
5. Step 5: Solve for x
   x = 3,160,617,960.38/49,327.32
6. Step 6: Final answer
   x = 64,074.39