Finding the Fourth Proportional to 119,306.39, 164,638.61 and 65,591.00

Step by Step Solution

1. Step 1: Write the proportion equation
   119,306.39 : 164,638.61 = 65,591.00 : x
2. Step 2: Convert to fraction form
   119,306.39/164,638.61 = 65,591.00/x
3. Step 3: Cross multiply
   119,306.39x = 164,638.61 × 65,591.00
4. Step 4: Simplify right side
   119,306.39x = 10,798,810,780.72
5. Step 5: Solve for x
   x = 10,798,810,780.72/119,306.39
6. Step 6: Final answer
   x = 90,513.27