Finding the Fourth Proportional to 48,788.42, 67,303.25 and 30,853.22

Step by Step Solution

1. Step 1: Write the proportion equation
   48,788.42 : 67,303.25 = 30,853.22 : x
2. Step 2: Convert to fraction form
   48,788.42/67,303.25 = 30,853.22/x
3. Step 3: Cross multiply
   48,788.42x = 67,303.25 × 30,853.22
4. Step 4: Simplify right side
   48,788.42x = 2,076,521,978.97
5. Step 5: Solve for x
   x = 2,076,521,978.97/48,788.42
6. Step 6: Final answer
   x = 42,561.78