Finding the Fourth Proportional to 84,644.38, 126,950.50 and 42,513.18

Step by Step Solution

1. Step 1: Write the proportion equation
   84,644.38 : 126,950.50 = 42,513.18 : x
2. Step 2: Convert to fraction form
   84,644.38/126,950.50 = 42,513.18/x
3. Step 3: Cross multiply
   84,644.38x = 126,950.50 × 42,513.18
4. Step 4: Simplify right side
   84,644.38x = 5,397,069,457.59
5. Step 5: Solve for x
   x = 5,397,069,457.59/84,644.38
6. Step 6: Final answer
   x = 63,761.70