Finding the Fourth Proportional to 67,459.69, 93,007.74 and 55,315.63

Step by Step Solution

1. Step 1: Write the proportion equation
   67,459.69 : 93,007.74 = 55,315.63 : x
2. Step 2: Convert to fraction form
   67,459.69/93,007.74 = 55,315.63/x
3. Step 3: Cross multiply
   67,459.69x = 93,007.74 × 55,315.63
4. Step 4: Simplify right side
   67,459.69x = 5,144,781,732.98
5. Step 5: Solve for x
   x = 5,144,781,732.98/67,459.69
6. Step 6: Final answer
   x = 76,264.53