Finding the Fourth Proportional to 119,119.74, 164,384.10 and 65,404.29

Step by Step Solution

1. Step 1: Write the proportion equation
   119,119.74 : 164,384.10 = 65,404.29 : x
2. Step 2: Convert to fraction form
   119,119.74/164,384.10 = 65,404.29/x
3. Step 3: Cross multiply
   119,119.74x = 164,384.10 × 65,404.29
4. Step 4: Simplify right side
   119,119.74x = 10,751,425,347.79
5. Step 5: Solve for x
   x = 10,751,425,347.79/119,119.74
6. Step 6: Final answer
   x = 90,257.29