Finding the Fourth Proportional to 119,219.52, 164,505.06 and 65,506.80

Step by Step Solution

1. Step 1: Write the proportion equation
   119,219.52 : 164,505.06 = 65,506.80 : x
2. Step 2: Convert to fraction form
   119,219.52/164,505.06 = 65,506.80/x
3. Step 3: Cross multiply
   119,219.52x = 164,505.06 × 65,506.80
4. Step 4: Simplify right side
   119,219.52x = 10,776,200,064.41
5. Step 5: Solve for x
   x = 10,776,200,064.41/119,219.52
6. Step 6: Final answer
   x = 90,389.56