Finding the Fourth Proportional to 65,223.63, 89,996.27 and 61,901.82

Step by Step Solution

1. Step 1: Write the proportion equation
   65,223.63 : 89,996.27 = 61,901.82 : x
2. Step 2: Convert to fraction form
   65,223.63/89,996.27 = 61,901.82/x
3. Step 3: Cross multiply
   65,223.63x = 89,996.27 × 61,901.82
4. Step 4: Simplify right side
   65,223.63x = 5,570,932,596.70
5. Step 5: Solve for x
   x = 5,570,932,596.70/65,223.63
6. Step 6: Final answer
   x = 85,412.80