Finding the Fourth Proportional to 93,688.72, 140,533.32 and 38,284.72

Step by Step Solution

1. Step 1: Write the proportion equation
   93,688.72 : 140,533.32 = 38,284.72 : x
2. Step 2: Convert to fraction form
   93,688.72/140,533.32 = 38,284.72/x
3. Step 3: Cross multiply
   93,688.72x = 140,533.32 × 38,284.72
4. Step 4: Simplify right side
   93,688.72x = 5,380,278,806.87
5. Step 5: Solve for x
   x = 5,380,278,806.87/93,688.72
6. Step 6: Final answer
   x = 57,427.18