Finding the Fourth Proportional to 119,187.72, 164,479.98 and 65,473.32

Step by Step Solution

1. Step 1: Write the proportion equation
   119,187.72 : 164,479.98 = 65,473.32 : x
2. Step 2: Convert to fraction form
   119,187.72/164,479.98 = 65,473.32/x
3. Step 3: Cross multiply
   119,187.72x = 164,479.98 × 65,473.32
4. Step 4: Simplify right side
   119,187.72x = 10,769,050,364.13
5. Step 5: Solve for x
   x = 10,769,050,364.13/119,187.72
6. Step 6: Final answer
   x = 90,353.69