Finding the Fourth Proportional to 119,172.09, 164,461.68 and 65,462.07

Step by Step Solution

1. Step 1: Write the proportion equation
   119,172.09 : 164,461.68 = 65,462.07 : x
2. Step 2: Convert to fraction form
   119,172.09/164,461.68 = 65,462.07/x
3. Step 3: Cross multiply
   119,172.09x = 164,461.68 × 65,462.07
4. Step 4: Simplify right side
   119,172.09x = 10,766,002,008.48
5. Step 5: Solve for x
   x = 10,766,002,008.48/119,172.09
6. Step 6: Final answer
   x = 90,339.96