Finding the Fourth Proportional to 42,089.08, 63,073.46 and 30,908.04

Step by Step Solution

1. Step 1: Write the proportion equation
   42,089.08 : 63,073.46 = 30,908.04 : x
2. Step 2: Convert to fraction form
   42,089.08/63,073.46 = 30,908.04/x
3. Step 3: Cross multiply
   42,089.08x = 63,073.46 × 30,908.04
4. Step 4: Simplify right side
   42,089.08x = 1,949,477,024.62
5. Step 5: Solve for x
   x = 1,949,477,024.62/42,089.08
6. Step 6: Final answer
   x = 46,317.88