Finding the Fourth Proportional to 93,879.60, 140,819.33 and 37,719.72

Step by Step Solution

1. Step 1: Write the proportion equation
   93,879.60 : 140,819.33 = 37,719.72 : x
2. Step 2: Convert to fraction form
   93,879.60/140,819.33 = 37,719.72/x
3. Step 3: Cross multiply
   93,879.60x = 140,819.33 × 37,719.72
4. Step 4: Simplify right side
   93,879.60x = 5,311,665,509.59
5. Step 5: Solve for x
   x = 5,311,665,509.59/93,879.60
6. Step 6: Final answer
   x = 56,579.55