Finding the Fourth Proportional to 119,148.37, 164,425.88 and 65,434.50

Step by Step Solution

1. Step 1: Write the proportion equation
   119,148.37 : 164,425.88 = 65,434.50 : x
2. Step 2: Convert to fraction form
   119,148.37/164,425.88 = 65,434.50/x
3. Step 3: Cross multiply
   119,148.37x = 164,425.88 × 65,434.50
4. Step 4: Simplify right side
   119,148.37x = 10,759,125,408.45
5. Step 5: Solve for x
   x = 10,759,125,408.45/119,148.37
6. Step 6: Final answer
   x = 90,300.23