Finding the Fourth Proportional to 119,321.45, 164,663.63 and 65,610.10

Step by Step Solution

1. Step 1: Write the proportion equation
   119,321.45 : 164,663.63 = 65,610.10 : x
2. Step 2: Convert to fraction form
   119,321.45/164,663.63 = 65,610.10/x
3. Step 3: Cross multiply
   119,321.45x = 164,663.63 × 65,610.10
4. Step 4: Simplify right side
   119,321.45x = 10,803,597,723.54
5. Step 5: Solve for x
   x = 10,803,597,723.54/119,321.45
6. Step 6: Final answer
   x = 90,541.95