Finding the Fourth Proportional to 119,491.82, 164,903.40 and 65,781.83

Step by Step Solution

1. Step 1: Write the proportion equation
   119,491.82 : 164,903.40 = 65,781.83 : x
2. Step 2: Convert to fraction form
   119,491.82/164,903.40 = 65,781.83/x
3. Step 3: Cross multiply
   119,491.82x = 164,903.40 × 65,781.83
4. Step 4: Simplify right side
   119,491.82x = 10,847,646,600.71
5. Step 5: Solve for x
   x = 10,847,646,600.71/119,491.82
6. Step 6: Final answer
   x = 90,781.50