Finding the Fourth Proportional to 101,674.72, 152,230.38 and 76,638.88

Step by Step Solution

1. Step 1: Write the proportion equation
   101,674.72 : 152,230.38 = 76,638.88 : x
2. Step 2: Convert to fraction form
   101,674.72/152,230.38 = 76,638.88/x
3. Step 3: Cross multiply
   101,674.72x = 152,230.38 × 76,638.88
4. Step 4: Simplify right side
   101,674.72x = 11,666,765,825.17
5. Step 5: Solve for x
   x = 11,666,765,825.17/101,674.72
6. Step 6: Final answer
   x = 114,745.98