Finding the Fourth Proportional to 105,052.96, 144,967.16 and 59,724.64

Step by Step Solution

1. Step 1: Write the proportion equation
   105,052.96 : 144,967.16 = 59,724.64 : x
2. Step 2: Convert to fraction form
   105,052.96/144,967.16 = 59,724.64/x
3. Step 3: Cross multiply
   105,052.96x = 144,967.16 × 59,724.64
4. Step 4: Simplify right side
   105,052.96x = 8,658,111,442.82
5. Step 5: Solve for x
   x = 8,658,111,442.82/105,052.96
6. Step 6: Final answer
   x = 82,416.63