Finding the Fourth Proportional to 83,889.89, 115,770.76 and 48,086.67

Step by Step Solution

1. Step 1: Write the proportion equation
   83,889.89 : 115,770.76 = 48,086.67 : x
2. Step 2: Convert to fraction form
   83,889.89/115,770.76 = 48,086.67/x
3. Step 3: Cross multiply
   83,889.89x = 115,770.76 × 48,086.67
4. Step 4: Simplify right side
   83,889.89x = 5,567,030,211.55
5. Step 5: Solve for x
   x = 5,567,030,211.55/83,889.89
6. Step 6: Final answer
   x = 66,361.16