Finding the Fourth Proportional to 105,051.06, 144,964.53 and 59,722.65

Step by Step Solution

1. Step 1: Write the proportion equation
   105,051.06 : 144,964.53 = 59,722.65 : x
2. Step 2: Convert to fraction form
   105,051.06/144,964.53 = 59,722.65/x
3. Step 3: Cross multiply
   105,051.06x = 144,964.53 × 59,722.65
4. Step 4: Simplify right side
   105,051.06x = 8,657,665,887.60
5. Step 5: Solve for x
   x = 8,657,665,887.60/105,051.06
6. Step 6: Final answer
   x = 82,413.88