Finding the Fourth Proportional to 121,788.99, 182,724.83 and 65,634.72

Step by Step Solution

1. Step 1: Write the proportion equation
   121,788.99 : 182,724.83 = 65,634.72 : x
2. Step 2: Convert to fraction form
   121,788.99/182,724.83 = 65,634.72/x
3. Step 3: Cross multiply
   121,788.99x = 182,724.83 × 65,634.72
4. Step 4: Simplify right side
   121,788.99x = 11,993,093,054.10
5. Step 5: Solve for x
   x = 11,993,093,054.10/121,788.99
6. Step 6: Final answer
   x = 98,474.37