Finding the Fourth Proportional to 105,095.59, 145,031.91 and 67,369.84

Step by Step Solution

1. Step 1: Write the proportion equation
   105,095.59 : 145,031.91 = 67,369.84 : x
2. Step 2: Convert to fraction form
   105,095.59/145,031.91 = 67,369.84/x
3. Step 3: Cross multiply
   105,095.59x = 145,031.91 × 67,369.84
4. Step 4: Simplify right side
   105,095.59x = 9,770,776,571.59
5. Step 5: Solve for x
   x = 9,770,776,571.59/105,095.59
6. Step 6: Final answer
   x = 92,970.38