Finding the Fourth Proportional to 106,123.76, 146,453.88 and 60,806

Step by Step Solution

1. Step 1: Write the proportion equation
   106,123.76 : 146,453.88 = 60,806 : x
2. Step 2: Convert to fraction form
   106,123.76/146,453.88 = 60,806/x
3. Step 3: Cross multiply
   106,123.76x = 146,453.88 × 60,806
4. Step 4: Simplify right side
   106,123.76x = 8,905,274,627.28
5. Step 5: Solve for x
   x = 8,905,274,627.28/106,123.76
6. Step 6: Final answer
   x = 83,914.05