Finding the Fourth Proportional to 79,150.77, 118,537.69 and 45,800.55

Step by Step Solution

1. Step 1: Write the proportion equation
   79,150.77 : 118,537.69 = 45,800.55 : x
2. Step 2: Convert to fraction form
   79,150.77/118,537.69 = 45,800.55/x
3. Step 3: Cross multiply
   79,150.77x = 118,537.69 × 45,800.55
4. Step 4: Simplify right side
   79,150.77x = 5,429,090,576.04
5. Step 5: Solve for x
   x = 5,429,090,576.04/79,150.77
6. Step 6: Final answer
   x = 68,591.76