Finding the Fourth Proportional to 104,978.16, 144,864.60 and 59,650.16

Step by Step Solution

1. Step 1: Write the proportion equation
   104,978.16 : 144,864.60 = 59,650.16 : x
2. Step 2: Convert to fraction form
   104,978.16/144,864.60 = 59,650.16/x
3. Step 3: Cross multiply
   104,978.16x = 144,864.60 × 59,650.16
4. Step 4: Simplify right side
   104,978.16x = 8,641,196,568.34
5. Step 5: Solve for x
   x = 8,641,196,568.34/104,978.16
6. Step 6: Final answer
   x = 82,314.23