Finding the Fourth Proportional to 108,300.45, 149,459.37 and 60,553.83

Step by Step Solution

1. Step 1: Write the proportion equation
   108,300.45 : 149,459.37 = 60,553.83 : x
2. Step 2: Convert to fraction form
   108,300.45/149,459.37 = 60,553.83/x
3. Step 3: Cross multiply
   108,300.45x = 149,459.37 × 60,553.83
4. Step 4: Simplify right side
   108,300.45x = 9,050,337,282.89
5. Step 5: Solve for x
   x = 9,050,337,282.89/108,300.45
6. Step 6: Final answer
   x = 83,566.94