Finding the Fourth Proportional to 79,454.82, 109,616.31 and 51,176.91

Step by Step Solution

1. Step 1: Write the proportion equation
   79,454.82 : 109,616.31 = 51,176.91 : x
2. Step 2: Convert to fraction form
   79,454.82/109,616.31 = 51,176.91/x
3. Step 3: Cross multiply
   79,454.82x = 109,616.31 × 51,176.91
4. Step 4: Simplify right side
   79,454.82x = 5,609,824,031.40
5. Step 5: Solve for x
   x = 5,609,824,031.40/79,454.82
6. Step 6: Final answer
   x = 70,603.95