Finding the Fourth Proportional to 63,505.89, 87,679.46 and 43,355.42

Step by Step Solution

1. Step 1: Write the proportion equation
   63,505.89 : 87,679.46 = 43,355.42 : x
2. Step 2: Convert to fraction form
   63,505.89/87,679.46 = 43,355.42/x
3. Step 3: Cross multiply
   63,505.89x = 87,679.46 × 43,355.42
4. Step 4: Simplify right side
   63,505.89x = 3,801,379,812.46
5. Step 5: Solve for x
   x = 3,801,379,812.46/63,505.89
6. Step 6: Final answer
   x = 59,858.70