Finding the Fourth Proportional to 65,053.49, 89,724.29 and 55,994.27

Step by Step Solution

1. Step 1: Write the proportion equation
   65,053.49 : 89,724.29 = 55,994.27 : x
2. Step 2: Convert to fraction form
   65,053.49/89,724.29 = 55,994.27/x
3. Step 3: Cross multiply
   65,053.49x = 89,724.29 × 55,994.27
4. Step 4: Simplify right side
   65,053.49x = 5,024,045,839.85
5. Step 5: Solve for x
   x = 5,024,045,839.85/65,053.49
6. Step 6: Final answer
   x = 77,229.46