Finding the Fourth Proportional to 123,089.69, 184,560.69 and 56,446.34

Step by Step Solution

1. Step 1: Write the proportion equation
   123,089.69 : 184,560.69 = 56,446.34 : x
2. Step 2: Convert to fraction form
   123,089.69/184,560.69 = 56,446.34/x
3. Step 3: Cross multiply
   123,089.69x = 184,560.69 × 56,446.34
4. Step 4: Simplify right side
   123,089.69x = 10,417,774,747.24
5. Step 5: Solve for x
   x = 10,417,774,747.24/123,089.69
6. Step 6: Final answer
   x = 84,635.64