Finding the Fourth Proportional to 121,816.56, 182,724.90 and 65,683.10

Step by Step Solution

1. Step 1: Write the proportion equation
   121,816.56 : 182,724.90 = 65,683.10 : x
2. Step 2: Convert to fraction form
   121,816.56/182,724.90 = 65,683.10/x
3. Step 3: Cross multiply
   121,816.56x = 182,724.90 × 65,683.10
4. Step 4: Simplify right side
   121,816.56x = 12,001,938,089.69
5. Step 5: Solve for x
   x = 12,001,938,089.69/121,816.56
6. Step 6: Final answer
   x = 98,524.69