Finding the Fourth Proportional to 119,157.39, 164,438.33 and 65,443.50

Step by Step Solution

1. Step 1: Write the proportion equation
   119,157.39 : 164,438.33 = 65,443.50 : x
2. Step 2: Convert to fraction form
   119,157.39/164,438.33 = 65,443.50/x
3. Step 3: Cross multiply
   119,157.39x = 164,438.33 × 65,443.50
4. Step 4: Simplify right side
   119,157.39x = 10,761,419,522.14
5. Step 5: Solve for x
   x = 10,761,419,522.14/119,157.39
6. Step 6: Final answer
   x = 90,312.65