Finding the Fourth Proportional to 119,293.80, 164,627.15 and 65,583.78

Step by Step Solution

1. Step 1: Write the proportion equation
   119,293.80 : 164,627.15 = 65,583.78 : x
2. Step 2: Convert to fraction form
   119,293.80/164,627.15 = 65,583.78/x
3. Step 3: Cross multiply
   119,293.80x = 164,627.15 × 65,583.78
4. Step 4: Simplify right side
   119,293.80x = 10,796,870,459.71
5. Step 5: Solve for x
   x = 10,796,870,459.71/119,293.80
6. Step 6: Final answer
   x = 90,506.55