Finding the Fourth Proportional to 104,711.99, 144,423.35 and 72,500.52

Step by Step Solution

1. Step 1: Write the proportion equation
   104,711.99 : 144,423.35 = 72,500.52 : x
2. Step 2: Convert to fraction form
   104,711.99/144,423.35 = 72,500.52/x
3. Step 3: Cross multiply
   104,711.99x = 144,423.35 × 72,500.52
4. Step 4: Simplify right side
   104,711.99x = 10,470,767,885.96
5. Step 5: Solve for x
   x = 10,470,767,885.96/104,711.99
6. Step 6: Final answer
   x = 99,995.88