Finding the Fourth Proportional to 84,477.30, 126,744.12 and 28,323

Step by Step Solution

1. Step 1: Write the proportion equation
   84,477.30 : 126,744.12 = 28,323 : x
2. Step 2: Convert to fraction form
   84,477.30/126,744.12 = 28,323/x
3. Step 3: Cross multiply
   84,477.30x = 126,744.12 × 28,323
4. Step 4: Simplify right side
   84,477.30x = 3,589,773,710.76
5. Step 5: Solve for x
   x = 3,589,773,710.76/84,477.30
6. Step 6: Final answer
   x = 42,493.94