Finding the Fourth Proportional to 108,579.89, 149,848.74 and 69,852.30

Step by Step Solution

1. Step 1: Write the proportion equation
   108,579.89 : 149,848.74 = 69,852.30 : x
2. Step 2: Convert to fraction form
   108,579.89/149,848.74 = 69,852.30/x
3. Step 3: Cross multiply
   108,579.89x = 149,848.74 × 69,852.30
4. Step 4: Simplify right side
   108,579.89x = 10,467,279,141.10
5. Step 5: Solve for x
   x = 10,467,279,141.10/108,579.89
6. Step 6: Final answer
   x = 96,401.63