Finding the Fourth Proportional to 102,996.70, 154,753.86 and 65,573.48

Step by Step Solution

1. Step 1: Write the proportion equation
   102,996.70 : 154,753.86 = 65,573.48 : x
2. Step 2: Convert to fraction form
   102,996.70/154,753.86 = 65,573.48/x
3. Step 3: Cross multiply
   102,996.70x = 154,753.86 × 65,573.48
4. Step 4: Simplify right side
   102,996.70x = 10,147,749,143.63
5. Step 5: Solve for x
   x = 10,147,749,143.63/102,996.70
6. Step 6: Final answer
   x = 98,524.99