Finding the Fourth Proportional to 108,042.12, 149,105.61 and 60,304.77

Step by Step Solution

1. Step 1: Write the proportion equation
   108,042.12 : 149,105.61 = 60,304.77 : x
2. Step 2: Convert to fraction form
   108,042.12/149,105.61 = 60,304.77/x
3. Step 3: Cross multiply
   108,042.12x = 149,105.61 × 60,304.77
4. Step 4: Simplify right side
   108,042.12x = 8,991,779,516.76
5. Step 5: Solve for x
   x = 8,991,779,516.76/108,042.12
6. Step 6: Final answer
   x = 83,224.76