Finding the Fourth Proportional to 80,109.33, 120,236.22 and 42,700.56

Step by Step Solution

1. Step 1: Write the proportion equation
   80,109.33 : 120,236.22 = 42,700.56 : x
2. Step 2: Convert to fraction form
   80,109.33/120,236.22 = 42,700.56/x
3. Step 3: Cross multiply
   80,109.33x = 120,236.22 × 42,700.56
4. Step 4: Simplify right side
   80,109.33x = 5,134,153,926.28
5. Step 5: Solve for x
   x = 5,134,153,926.28/80,109.33
6. Step 6: Final answer
   x = 64,089.34