Finding the Fourth Proportional to 119,216.10, 164,517.38 and 64,768.01

Step by Step Solution

1. Step 1: Write the proportion equation
   119,216.10 : 164,517.38 = 64,768.01 : x
2. Step 2: Convert to fraction form
   119,216.10/164,517.38 = 64,768.01/x
3. Step 3: Cross multiply
   119,216.10x = 164,517.38 × 64,768.01
4. Step 4: Simplify right side
   119,216.10x = 10,655,462,409.47
5. Step 5: Solve for x
   x = 10,655,462,409.47/119,216.10
6. Step 6: Final answer
   x = 89,379.39