Finding the Fourth Proportional to 67,874.16, 93,671.48 and 37,665.20

Step by Step Solution

1. Step 1: Write the proportion equation
   67,874.16 : 93,671.48 = 37,665.20 : x
2. Step 2: Convert to fraction form
   67,874.16/93,671.48 = 37,665.20/x
3. Step 3: Cross multiply
   67,874.16x = 93,671.48 × 37,665.20
4. Step 4: Simplify right side
   67,874.16x = 3,528,154,371.81
5. Step 5: Solve for x
   x = 3,528,154,371.81/67,874.16
6. Step 6: Final answer
   x = 51,980.82