Finding the Fourth Proportional to 84,222.09, 126,333.27 and 56,196.90

Step by Step Solution

1. Step 1: Write the proportion equation
   84,222.09 : 126,333.27 = 56,196.90 : x
2. Step 2: Convert to fraction form
   84,222.09/126,333.27 = 56,196.90/x
3. Step 3: Cross multiply
   84,222.09x = 126,333.27 × 56,196.90
4. Step 4: Simplify right side
   84,222.09x = 7,099,538,140.86
5. Step 5: Solve for x
   x = 7,099,538,140.86/84,222.09
6. Step 6: Final answer
   x = 84,295.44