Finding the Fourth Proportional to 105,018.47, 144,934.10 and 59,710.67

Step by Step Solution

1. Step 1: Write the proportion equation
   105,018.47 : 144,934.10 = 59,710.67 : x
2. Step 2: Convert to fraction form
   105,018.47/144,934.10 = 59,710.67/x
3. Step 3: Cross multiply
   105,018.47x = 144,934.10 × 59,710.67
4. Step 4: Simplify right side
   105,018.47x = 8,654,111,193.62
5. Step 5: Solve for x
   x = 8,654,111,193.62/105,018.47
6. Step 6: Final answer
   x = 82,405.61