Finding the Fourth Proportional to 73,310.84, 109,511.39 and 53,160.37

Step by Step Solution

1. Step 1: Write the proportion equation
   73,310.84 : 109,511.39 = 53,160.37 : x
2. Step 2: Convert to fraction form
   73,310.84/109,511.39 = 53,160.37/x
3. Step 3: Cross multiply
   73,310.84x = 109,511.39 × 53,160.37
4. Step 4: Simplify right side
   73,310.84x = 5,821,665,870.74
5. Step 5: Solve for x
   x = 5,821,665,870.74/73,310.84
6. Step 6: Final answer
   x = 79,410.72