Finding the Fourth Proportional to 119,307, 164,639.46 and 65,591.63

Step by Step Solution

1. Step 1: Write the proportion equation
   119,307 : 164,639.46 = 65,591.63 : x
2. Step 2: Convert to fraction form
   119,307/164,639.46 = 65,591.63/x
3. Step 3: Cross multiply
   119,307x = 164,639.46 × 65,591.63
4. Step 4: Simplify right side
   119,307x = 10,798,970,543.72
5. Step 5: Solve for x
   x = 10,798,970,543.72/119,307
6. Step 6: Final answer
   x = 90,514.14