Finding the Fourth Proportional to 67,890.18, 93,680.76 and 37,667.64

Step by Step Solution

1. Step 1: Write the proportion equation
   67,890.18 : 93,680.76 = 37,667.64 : x
2. Step 2: Convert to fraction form
   67,890.18/93,680.76 = 37,667.64/x
3. Step 3: Cross multiply
   67,890.18x = 93,680.76 × 37,667.64
4. Step 4: Simplify right side
   67,890.18x = 3,528,733,142.61
5. Step 5: Solve for x
   x = 3,528,733,142.61/67,890.18
6. Step 6: Final answer
   x = 51,977.08