Finding the Fourth Proportional to 92,937.34, 128,243.89 and 54,694.61

Step by Step Solution

1. Step 1: Write the proportion equation
   92,937.34 : 128,243.89 = 54,694.61 : x
2. Step 2: Convert to fraction form
   92,937.34/128,243.89 = 54,694.61/x
3. Step 3: Cross multiply
   92,937.34x = 128,243.89 × 54,694.61
4. Step 4: Simplify right side
   92,937.34x = 7,014,249,456.50
5. Step 5: Solve for x
   x = 7,014,249,456.50/92,937.34
6. Step 6: Final answer
   x = 75,472.89