Finding the Fourth Proportional to 105,017.47, 144,932.71 and 59,709.67

Step by Step Solution

1. Step 1: Write the proportion equation
   105,017.47 : 144,932.71 = 59,709.67 : x
2. Step 2: Convert to fraction form
   105,017.47/144,932.71 = 59,709.67/x
3. Step 3: Cross multiply
   105,017.47x = 144,932.71 × 59,709.67
4. Step 4: Simplify right side
   105,017.47x = 8,653,883,561.64
5. Step 5: Solve for x
   x = 8,653,883,561.64/105,017.47
6. Step 6: Final answer
   x = 82,404.23