Finding the Fourth Proportional to 49,854.34, 68,821.94 and 43,021.18

Step by Step Solution

1. Step 1: Write the proportion equation
   49,854.34 : 68,821.94 = 43,021.18 : x
2. Step 2: Convert to fraction form
   49,854.34/68,821.94 = 43,021.18/x
3. Step 3: Cross multiply
   49,854.34x = 68,821.94 × 43,021.18
4. Step 4: Simplify right side
   49,854.34x = 2,960,801,068.69
5. Step 5: Solve for x
   x = 2,960,801,068.69/49,854.34
6. Step 6: Final answer
   x = 59,389.03