Finding the Fourth Proportional to 107,499.74, 161,074.24 and 65,392.70

Step by Step Solution

1. Step 1: Write the proportion equation
   107,499.74 : 161,074.24 = 65,392.70 : x
2. Step 2: Convert to fraction form
   107,499.74/161,074.24 = 65,392.70/x
3. Step 3: Cross multiply
   107,499.74x = 161,074.24 × 65,392.70
4. Step 4: Simplify right side
   107,499.74x = 10,533,079,454.05
5. Step 5: Solve for x
   x = 10,533,079,454.05/107,499.74
6. Step 6: Final answer
   x = 97,982.37