Finding the Fourth Proportional to 64,817.03, 89,488.78 and 52,908.68

Step by Step Solution

1. Step 1: Write the proportion equation
   64,817.03 : 89,488.78 = 52,908.68 : x
2. Step 2: Convert to fraction form
   64,817.03/89,488.78 = 52,908.68/x
3. Step 3: Cross multiply
   64,817.03x = 89,488.78 × 52,908.68
4. Step 4: Simplify right side
   64,817.03x = 4,734,732,644.89
5. Step 5: Solve for x
   x = 4,734,732,644.89/64,817.03
6. Step 6: Final answer
   x = 73,047.67