Finding the Fourth Proportional to 104,410.67, 144,086.79 and 56,664

Step by Step Solution

1. Step 1: Write the proportion equation
   104,410.67 : 144,086.79 = 56,664 : x
2. Step 2: Convert to fraction form
   104,410.67/144,086.79 = 56,664/x
3. Step 3: Cross multiply
   104,410.67x = 144,086.79 × 56,664
4. Step 4: Simplify right side
   104,410.67x = 8,164,533,868.56
5. Step 5: Solve for x
   x = 8,164,533,868.56/104,410.67
6. Step 6: Final answer
   x = 78,196.36