Finding the Fourth Proportional to 67,315.56, 92,891.68 and 37,100.78

Step by Step Solution

1. Step 1: Write the proportion equation
   67,315.56 : 92,891.68 = 37,100.78 : x
2. Step 2: Convert to fraction form
   67,315.56/92,891.68 = 37,100.78/x
3. Step 3: Cross multiply
   67,315.56x = 92,891.68 × 37,100.78
4. Step 4: Simplify right side
   67,315.56x = 3,446,353,574.64
5. Step 5: Solve for x
   x = 3,446,353,574.64/67,315.56
6. Step 6: Final answer
   x = 51,196.99