Finding the Fourth Proportional to 79,145.76, 118,731.60 and 37,578.72

Step by Step Solution

1. Step 1: Write the proportion equation
   79,145.76 : 118,731.60 = 37,578.72 : x
2. Step 2: Convert to fraction form
   79,145.76/118,731.60 = 37,578.72/x
3. Step 3: Cross multiply
   79,145.76x = 118,731.60 × 37,578.72
4. Step 4: Simplify right side
   79,145.76x = 4,461,781,551.55
5. Step 5: Solve for x
   x = 4,461,781,551.55/79,145.76
6. Step 6: Final answer
   x = 56,374.23