Finding the Fourth Proportional to 67,455, 93,001.37 and 55,310.74

Step by Step Solution

1. Step 1: Write the proportion equation
   67,455 : 93,001.37 = 55,310.74 : x
2. Step 2: Convert to fraction form
   67,455/93,001.37 = 55,310.74/x
3. Step 3: Cross multiply
   67,455x = 93,001.37 × 55,310.74
4. Step 4: Simplify right side
   67,455x = 5,143,974,086.66
5. Step 5: Solve for x
   x = 5,143,974,086.66/67,455
6. Step 6: Final answer
   x = 76,257.86