Finding the Fourth Proportional to 42,794.04, 63,906.71 and 42,330.68

Step by Step Solution

1. Step 1: Write the proportion equation
   42,794.04 : 63,906.71 = 42,330.68 : x
2. Step 2: Convert to fraction form
   42,794.04/63,906.71 = 42,330.68/x
3. Step 3: Cross multiply
   42,794.04x = 63,906.71 × 42,330.68
4. Step 4: Simplify right side
   42,794.04x = 2,705,214,490.86
5. Step 5: Solve for x
   x = 2,705,214,490.86/42,794.04
6. Step 6: Final answer
   x = 63,214.75