Finding the Fourth Proportional to 79,434.56, 118,938.72 and 41,916.80

Step by Step Solution

1. Step 1: Write the proportion equation
   79,434.56 : 118,938.72 = 41,916.80 : x
2. Step 2: Convert to fraction form
   79,434.56/118,938.72 = 41,916.80/x
3. Step 3: Cross multiply
   79,434.56x = 118,938.72 × 41,916.80
4. Step 4: Simplify right side
   79,434.56x = 4,985,530,538.50
5. Step 5: Solve for x
   x = 4,985,530,538.50/79,434.56
6. Step 6: Final answer
   x = 62,762.74