Finding the Fourth Proportional to 67,698, 93,423.24 and 37,890

Step by Step Solution

1. Step 1: Write the proportion equation
   67,698 : 93,423.24 = 37,890 : x
2. Step 2: Convert to fraction form
   67,698/93,423.24 = 37,890/x
3. Step 3: Cross multiply
   67,698x = 93,423.24 × 37,890
4. Step 4: Simplify right side
   67,698x = 3,539,806,563.60
5. Step 5: Solve for x
   x = 3,539,806,563.60/67,698
6. Step 6: Final answer
   x = 52,288.20