Finding the Fourth Proportional to 114,276.49, 171,443.89 and 72,453.76

Step by Step Solution

1. Step 1: Write the proportion equation
   114,276.49 : 171,443.89 = 72,453.76 : x
2. Step 2: Convert to fraction form
   114,276.49/171,443.89 = 72,453.76/x
3. Step 3: Cross multiply
   114,276.49x = 171,443.89 × 72,453.76
4. Step 4: Simplify right side
   114,276.49x = 12,421,754,121.48
5. Step 5: Solve for x
   x = 12,421,754,121.48/114,276.49
6. Step 6: Final answer
   x = 108,699.12