Finding the Fourth Proportional to 123,089.60, 184,245.60 and 96,651.20

Step by Step Solution

1. Step 1: Write the proportion equation
   123,089.60 : 184,245.60 = 96,651.20 : x
2. Step 2: Convert to fraction form
   123,089.60/184,245.60 = 96,651.20/x
3. Step 3: Cross multiply
   123,089.60x = 184,245.60 × 96,651.20
4. Step 4: Simplify right side
   123,089.60x = 17,807,558,334.72
5. Step 5: Solve for x
   x = 17,807,558,334.72/123,089.60
6. Step 6: Final answer
   x = 144,671.51