Finding the Fourth Proportional to 109,308.04, 150,914.88 and 89,212.96

Step by Step Solution

1. Step 1: Write the proportion equation
   109,308.04 : 150,914.88 = 89,212.96 : x
2. Step 2: Convert to fraction form
   109,308.04/150,914.88 = 89,212.96/x
3. Step 3: Cross multiply
   109,308.04x = 150,914.88 × 89,212.96
4. Step 4: Simplify right side
   109,308.04x = 13,463,563,152.84
5. Step 5: Solve for x
   x = 13,463,563,152.84/109,308.04
6. Step 6: Final answer
   x = 123,170.84