Finding the Fourth Proportional to 84,404.40, 126,570.15 and 42,268.20

Step by Step Solution

1. Step 1: Write the proportion equation
   84,404.40 : 126,570.15 = 42,268.20 : x
2. Step 2: Convert to fraction form
   84,404.40/126,570.15 = 42,268.20/x
3. Step 3: Cross multiply
   84,404.40x = 126,570.15 × 42,268.20
4. Step 4: Simplify right side
   84,404.40x = 5,349,892,414.23
5. Step 5: Solve for x
   x = 5,349,892,414.23/84,404.40
6. Step 6: Final answer
   x = 63,384.05