Finding the Fourth Proportional to 105,698.01, 145,870.01 and 69,825.14

Step by Step Solution

1. Step 1: Write the proportion equation
   105,698.01 : 145,870.01 = 69,825.14 : x
2. Step 2: Convert to fraction form
   105,698.01/145,870.01 = 69,825.14/x
3. Step 3: Cross multiply
   105,698.01x = 145,870.01 × 69,825.14
4. Step 4: Simplify right side
   105,698.01x = 10,185,393,993.20
5. Step 5: Solve for x
   x = 10,185,393,993.20/105,698.01
6. Step 6: Final answer
   x = 96,363.15