Finding the Fourth Proportional to 119,040.31, 164,279.81 and 65,325.77

Step by Step Solution

1. Step 1: Write the proportion equation
   119,040.31 : 164,279.81 = 65,325.77 : x
2. Step 2: Convert to fraction form
   119,040.31/164,279.81 = 65,325.77/x
3. Step 3: Cross multiply
   119,040.31x = 164,279.81 × 65,325.77
4. Step 4: Simplify right side
   119,040.31x = 10,731,704,304.04
5. Step 5: Solve for x
   x = 10,731,704,304.04/119,040.31
6. Step 6: Final answer
   x = 90,151.85