Finding the Fourth Proportional to 73,777.35, 110,776.71 and 42,223.02

Step by Step Solution

1. Step 1: Write the proportion equation
   73,777.35 : 110,776.71 = 42,223.02 : x
2. Step 2: Convert to fraction form
   73,777.35/110,776.71 = 42,223.02/x
3. Step 3: Cross multiply
   73,777.35x = 110,776.71 × 42,223.02
4. Step 4: Simplify right side
   73,777.35x = 4,677,327,241.86
5. Step 5: Solve for x
   x = 4,677,327,241.86/73,777.35
6. Step 6: Final answer
   x = 63,397.88