Finding the Fourth Proportional to 67,886.89, 93,688.29 and 37,672.28

Step by Step Solution

1. Step 1: Write the proportion equation
   67,886.89 : 93,688.29 = 37,672.28 : x
2. Step 2: Convert to fraction form
   67,886.89/93,688.29 = 37,672.28/x
3. Step 3: Cross multiply
   67,886.89x = 93,688.29 × 37,672.28
4. Step 4: Simplify right side
   67,886.89x = 3,529,451,025.16
5. Step 5: Solve for x
   x = 3,529,451,025.16/67,886.89
6. Step 6: Final answer
   x = 51,990.17