Finding the Fourth Proportional to 84,174.72, 126,276.48 and 39,822.72

Step by Step Solution

1. Step 1: Write the proportion equation
   84,174.72 : 126,276.48 = 39,822.72 : x
2. Step 2: Convert to fraction form
   84,174.72/126,276.48 = 39,822.72/x
3. Step 3: Cross multiply
   84,174.72x = 126,276.48 × 39,822.72
4. Step 4: Simplify right side
   84,174.72x = 5,028,672,905.63
5. Step 5: Solve for x
   x = 5,028,672,905.63/84,174.72
6. Step 6: Final answer
   x = 59,740.89