Finding the Fourth Proportional to 119,416.10, 164,790.06 and 65,700.56

Step by Step Solution

1. Step 1: Write the proportion equation
   119,416.10 : 164,790.06 = 65,700.56 : x
2. Step 2: Convert to fraction form
   119,416.10/164,790.06 = 65,700.56/x
3. Step 3: Cross multiply
   119,416.10x = 164,790.06 × 65,700.56
4. Step 4: Simplify right side
   119,416.10x = 10,826,799,224.43
5. Step 5: Solve for x
   x = 10,826,799,224.43/119,416.10
6. Step 6: Final answer
   x = 90,664.49