Finding the Fourth Proportional to 119,424.58, 164,809.89 and 65,713.54

Step by Step Solution

1. Step 1: Write the proportion equation
   119,424.58 : 164,809.89 = 65,713.54 : x
2. Step 2: Convert to fraction form
   119,424.58/164,809.89 = 65,713.54/x
3. Step 3: Cross multiply
   119,424.58x = 164,809.89 × 65,713.54
4. Step 4: Simplify right side
   119,424.58x = 10,830,241,298.91
5. Step 5: Solve for x
   x = 10,830,241,298.91/119,424.58
6. Step 6: Final answer
   x = 90,686.87