Finding the Fourth Proportional to 85,569.34, 128,247 and 41,184.22

Step by Step Solution

1. Step 1: Write the proportion equation
   85,569.34 : 128,247 = 41,184.22 : x
2. Step 2: Convert to fraction form
   85,569.34/128,247 = 41,184.22/x
3. Step 3: Cross multiply
   85,569.34x = 128,247 × 41,184.22
4. Step 4: Simplify right side
   85,569.34x = 5,281,752,662.34
5. Step 5: Solve for x
   x = 5,281,752,662.34/85,569.34
6. Step 6: Final answer
   x = 61,724.83