Finding the Fourth Proportional to 79,005.72, 118,555.35 and 29,120.86

Step by Step Solution

1. Step 1: Write the proportion equation
   79,005.72 : 118,555.35 = 29,120.86 : x
2. Step 2: Convert to fraction form
   79,005.72/118,555.35 = 29,120.86/x
3. Step 3: Cross multiply
   79,005.72x = 118,555.35 × 29,120.86
4. Step 4: Simplify right side
   79,005.72x = 3,452,433,156.82
5. Step 5: Solve for x
   x = 3,452,433,156.82/79,005.72
6. Step 6: Final answer
   x = 43,698.52