Finding the Fourth Proportional to 67,458.57, 93,006.27 and 55,314.30

Step by Step Solution

1. Step 1: Write the proportion equation
   67,458.57 : 93,006.27 = 55,314.30 : x
2. Step 2: Convert to fraction form
   67,458.57/93,006.27 = 55,314.30/x
3. Step 3: Cross multiply
   67,458.57x = 93,006.27 × 55,314.30
4. Step 4: Simplify right side
   67,458.57x = 5,144,576,720.66
5. Step 5: Solve for x
   x = 5,144,576,720.66/67,458.57
6. Step 6: Final answer
   x = 76,262.76