Finding the Fourth Proportional to 108,468.90, 162,849.15 and 69,200.10

Step by Step Solution

1. Step 1: Write the proportion equation
   108,468.90 : 162,849.15 = 69,200.10 : x
2. Step 2: Convert to fraction form
   108,468.90/162,849.15 = 69,200.10/x
3. Step 3: Cross multiply
   108,468.90x = 162,849.15 × 69,200.10
4. Step 4: Simplify right side
   108,468.90x = 11,269,177,464.92
5. Step 5: Solve for x
   x = 11,269,177,464.92/108,468.90
6. Step 6: Final answer
   x = 103,893.17