Finding the Fourth Proportional to 65,187.72, 89,959.02 and 35,379.72

Step by Step Solution

1. Step 1: Write the proportion equation
   65,187.72 : 89,959.02 = 35,379.72 : x
2. Step 2: Convert to fraction form
   65,187.72/89,959.02 = 35,379.72/x
3. Step 3: Cross multiply
   65,187.72x = 89,959.02 × 35,379.72
4. Step 4: Simplify right side
   65,187.72x = 3,182,724,939.07
5. Step 5: Solve for x
   x = 3,182,724,939.07/65,187.72
6. Step 6: Final answer
   x = 48,824.00