Finding the Fourth Proportional to 107,368.50, 161,051.73 and 65,260.20

Step by Step Solution

1. Step 1: Write the proportion equation
   107,368.50 : 161,051.73 = 65,260.20 : x
2. Step 2: Convert to fraction form
   107,368.50/161,051.73 = 65,260.20/x
3. Step 3: Cross multiply
   107,368.50x = 161,051.73 × 65,260.20
4. Step 4: Simplify right side
   107,368.50x = 10,510,268,110.15
5. Step 5: Solve for x
   x = 10,510,268,110.15/107,368.50
6. Step 6: Final answer
   x = 97,889.68