Finding the Fourth Proportional to 105,766.74, 145,903.74 and 69,462.98

Step by Step Solution

1. Step 1: Write the proportion equation
   105,766.74 : 145,903.74 = 69,462.98 : x
2. Step 2: Convert to fraction form
   105,766.74/145,903.74 = 69,462.98/x
3. Step 3: Cross multiply
   105,766.74x = 145,903.74 × 69,462.98
4. Step 4: Simplify right side
   105,766.74x = 10,134,907,844.03
5. Step 5: Solve for x
   x = 10,134,907,844.03/105,766.74
6. Step 6: Final answer
   x = 95,823.21