Finding the Fourth Proportional to 123,091.69, 184,563.69 and 56,448.34

Step by Step Solution

1. Step 1: Write the proportion equation
   123,091.69 : 184,563.69 = 56,448.34 : x
2. Step 2: Convert to fraction form
   123,091.69/184,563.69 = 56,448.34/x
3. Step 3: Cross multiply
   123,091.69x = 184,563.69 × 56,448.34
4. Step 4: Simplify right side
   123,091.69x = 10,418,313,924.77
5. Step 5: Solve for x
   x = 10,418,313,924.77/123,091.69
6. Step 6: Final answer
   x = 84,638.65