Finding the Fourth Proportional to 72,894.05, 108,941.69 and 53,214.05

Step by Step Solution

1. Step 1: Write the proportion equation
   72,894.05 : 108,941.69 = 53,214.05 : x
2. Step 2: Convert to fraction form
   72,894.05/108,941.69 = 53,214.05/x
3. Step 3: Cross multiply
   72,894.05x = 108,941.69 × 53,214.05
4. Step 4: Simplify right side
   72,894.05x = 5,797,228,538.74
5. Step 5: Solve for x
   x = 5,797,228,538.74/72,894.05
6. Step 6: Final answer
   x = 79,529.52