Finding the Fourth Proportional to 85,881, 118,475.46 and 60,744.36

Step by Step Solution

1. Step 1: Write the proportion equation
   85,881 : 118,475.46 = 60,744.36 : x
2. Step 2: Convert to fraction form
   85,881/118,475.46 = 60,744.36/x
3. Step 3: Cross multiply
   85,881x = 118,475.46 × 60,744.36
4. Step 4: Simplify right side
   85,881x = 7,196,715,993.41
5. Step 5: Solve for x
   x = 7,196,715,993.41/85,881
6. Step 6: Final answer
   x = 83,798.70