Finding the Fourth Proportional to 108,078.65, 149,027.24 and 69,787.91

Step by Step Solution

1. Step 1: Write the proportion equation
   108,078.65 : 149,027.24 = 69,787.91 : x
2. Step 2: Convert to fraction form
   108,078.65/149,027.24 = 69,787.91/x
3. Step 3: Cross multiply
   108,078.65x = 149,027.24 × 69,787.91
4. Step 4: Simplify right side
   108,078.65x = 10,400,300,159.71
5. Step 5: Solve for x
   x = 10,400,300,159.71/108,078.65
6. Step 6: Final answer
   x = 96,228.99