Finding the Fourth Proportional to 104,510.82, 144,247.59 and 64,259.10

Step by Step Solution

1. Step 1: Write the proportion equation
   104,510.82 : 144,247.59 = 64,259.10 : x
2. Step 2: Convert to fraction form
   104,510.82/144,247.59 = 64,259.10/x
3. Step 3: Cross multiply
   104,510.82x = 144,247.59 × 64,259.10
4. Step 4: Simplify right side
   104,510.82x = 9,269,220,310.57
5. Step 5: Solve for x
   x = 9,269,220,310.57/104,510.82
6. Step 6: Final answer
   x = 88,691.49