Finding the Fourth Proportional to 109,705.32, 151,404.51 and 79,103.58

Step by Step Solution

1. Step 1: Write the proportion equation
   109,705.32 : 151,404.51 = 79,103.58 : x
2. Step 2: Convert to fraction form
   109,705.32/151,404.51 = 79,103.58/x
3. Step 3: Cross multiply
   109,705.32x = 151,404.51 × 79,103.58
4. Step 4: Simplify right side
   109,705.32x = 11,976,638,769.15
5. Step 5: Solve for x
   x = 11,976,638,769.15/109,705.32
6. Step 6: Final answer
   x = 109,170.99