Finding the Fourth Proportional to 67,420, 93,039.64 and 37,612

Step by Step Solution

1. Step 1: Write the proportion equation
   67,420 : 93,039.64 = 37,612 : x
2. Step 2: Convert to fraction form
   67,420/93,039.64 = 37,612/x
3. Step 3: Cross multiply
   67,420x = 93,039.64 × 37,612
4. Step 4: Simplify right side
   67,420x = 3,499,406,939.68
5. Step 5: Solve for x
   x = 3,499,406,939.68/67,420
6. Step 6: Final answer
   x = 51,904.58