Finding the Fourth Proportional to 119,358.32, 164,715.59 and 64,911.00

Step by Step Solution

1. Step 1: Write the proportion equation
   119,358.32 : 164,715.59 = 64,911.00 : x
2. Step 2: Convert to fraction form
   119,358.32/164,715.59 = 64,911.00/x
3. Step 3: Cross multiply
   119,358.32x = 164,715.59 × 64,911.00
4. Step 4: Simplify right side
   119,358.32x = 10,691,854,057.04
5. Step 5: Solve for x
   x = 10,691,854,057.04/119,358.32
6. Step 6: Final answer
   x = 89,577.78