Finding the Fourth Proportional to 119,380.86, 164,742.12 and 65,665.86

Step by Step Solution

1. Step 1: Write the proportion equation
   119,380.86 : 164,742.12 = 65,665.86 : x
2. Step 2: Convert to fraction form
   119,380.86/164,742.12 = 65,665.86/x
3. Step 3: Cross multiply
   119,380.86x = 164,742.12 × 65,665.86
4. Step 4: Simplify right side
   119,380.86x = 10,817,932,988.02
5. Step 5: Solve for x
   x = 10,817,932,988.02/119,380.86
6. Step 6: Final answer
   x = 90,616.98