Finding the Fourth Proportional to 108,359, 149,542.05 and 60,615.56

Step by Step Solution

1. Step 1: Write the proportion equation
   108,359 : 149,542.05 = 60,615.56 : x
2. Step 2: Convert to fraction form
   108,359/149,542.05 = 60,615.56/x
3. Step 3: Cross multiply
   108,359x = 149,542.05 × 60,615.56
4. Step 4: Simplify right side
   108,359x = 9,064,575,104.30
5. Step 5: Solve for x
   x = 9,064,575,104.30/108,359
6. Step 6: Final answer
   x = 83,653.18