Finding the Fourth Proportional to 107,965.34, 148,992.18 and 60,218.72

Step by Step Solution

1. Step 1: Write the proportion equation
   107,965.34 : 148,992.18 = 60,218.72 : x
2. Step 2: Convert to fraction form
   107,965.34/148,992.18 = 60,218.72/x
3. Step 3: Cross multiply
   107,965.34x = 148,992.18 × 60,218.72
4. Step 4: Simplify right side
   107,965.34x = 8,972,118,369.61
5. Step 5: Solve for x
   x = 8,972,118,369.61/107,965.34
6. Step 6: Final answer
   x = 83,101.84