Finding the Fourth Proportional to 79,659.63, 109,917.42 and 45,661.86

Step by Step Solution

1. Step 1: Write the proportion equation
   79,659.63 : 109,917.42 = 45,661.86 : x
2. Step 2: Convert to fraction form
   79,659.63/109,917.42 = 45,661.86/x
3. Step 3: Cross multiply
   79,659.63x = 109,917.42 × 45,661.86
4. Step 4: Simplify right side
   79,659.63x = 5,019,033,843.60
5. Step 5: Solve for x
   x = 5,019,033,843.60/79,659.63
6. Step 6: Final answer
   x = 63,005.99