Finding the Fourth Proportional to 110,630.70, 152,631 and 65,285.99

Step by Step Solution

1. Step 1: Write the proportion equation
   110,630.70 : 152,631 = 65,285.99 : x
2. Step 2: Convert to fraction form
   110,630.70/152,631 = 65,285.99/x
3. Step 3: Cross multiply
   110,630.70x = 152,631 × 65,285.99
4. Step 4: Simplify right side
   110,630.70x = 9,964,666,321.27
5. Step 5: Solve for x
   x = 9,964,666,321.27/110,630.70
6. Step 6: Final answer
   x = 90,071.44