Finding the Fourth Proportional to 102,748.50, 154,168.92 and 65,298.86

Step by Step Solution

1. Step 1: Write the proportion equation
   102,748.50 : 154,168.92 = 65,298.86 : x
2. Step 2: Convert to fraction form
   102,748.50/154,168.92 = 65,298.86/x
3. Step 3: Cross multiply
   102,748.50x = 154,168.92 × 65,298.86
4. Step 4: Simplify right side
   102,748.50x = 10,067,054,530.72
5. Step 5: Solve for x
   x = 10,067,054,530.72/102,748.50
6. Step 6: Final answer
   x = 97,977.63