Finding the Fourth Proportional to 93,472.89, 128,972.88 and 59,469

Step by Step Solution

1. Step 1: Write the proportion equation
   93,472.89 : 128,972.88 = 59,469 : x
2. Step 2: Convert to fraction form
   93,472.89/128,972.88 = 59,469/x
3. Step 3: Cross multiply
   93,472.89x = 128,972.88 × 59,469
4. Step 4: Simplify right side
   93,472.89x = 7,669,888,200.72
5. Step 5: Solve for x
   x = 7,669,888,200.72/93,472.89
6. Step 6: Final answer
   x = 82,054.68