Finding the Fourth Proportional to 113,189.50, 169,562.38 and 65,705.02

Step by Step Solution

1. Step 1: Write the proportion equation
   113,189.50 : 169,562.38 = 65,705.02 : x
2. Step 2: Convert to fraction form
   113,189.50/169,562.38 = 65,705.02/x
3. Step 3: Cross multiply
   113,189.50x = 169,562.38 × 65,705.02
4. Step 4: Simplify right side
   113,189.50x = 11,141,100,057.96
5. Step 5: Solve for x
   x = 11,141,100,057.96/113,189.50
6. Step 6: Final answer
   x = 98,428.74