Finding the Fourth Proportional to 123,091.98, 184,564.11 and 56,448.63

Step by Step Solution

1. Step 1: Write the proportion equation
   123,091.98 : 184,564.11 = 56,448.63 : x
2. Step 2: Convert to fraction form
   123,091.98/184,564.11 = 56,448.63/x
3. Step 3: Cross multiply
   123,091.98x = 184,564.11 × 56,448.63
4. Step 4: Simplify right side
   123,091.98x = 10,418,391,156.67
5. Step 5: Solve for x
   x = 10,418,391,156.67/123,091.98
6. Step 6: Final answer
   x = 84,639.07