Finding the Fourth Proportional to 59,897.39, 89,769.75 and 31,830.89

Step by Step Solution

1. Step 1: Write the proportion equation
   59,897.39 : 89,769.75 = 31,830.89 : x
2. Step 2: Convert to fraction form
   59,897.39/89,769.75 = 31,830.89/x
3. Step 3: Cross multiply
   59,897.39x = 89,769.75 × 31,830.89
4. Step 4: Simplify right side
   59,897.39x = 2,857,450,469.36
5. Step 5: Solve for x
   x = 2,857,450,469.36/59,897.39
6. Step 6: Final answer
   x = 47,705.76