Finding the Fourth Proportional to 79,124.15, 118,743.42 and 31,099.93

Step by Step Solution

1. Step 1: Write the proportion equation
   79,124.15 : 118,743.42 = 31,099.93 : x
2. Step 2: Convert to fraction form
   79,124.15/118,743.42 = 31,099.93/x
3. Step 3: Cross multiply
   79,124.15x = 118,743.42 × 31,099.93
4. Step 4: Simplify right side
   79,124.15x = 3,692,912,049.96
5. Step 5: Solve for x
   x = 3,692,912,049.96/79,124.15
6. Step 6: Final answer
   x = 46,672.38