Finding the Fourth Proportional to 123,210.84, 184,788.37 and 56,586.92

Step by Step Solution

1. Step 1: Write the proportion equation
   123,210.84 : 184,788.37 = 56,586.92 : x
2. Step 2: Convert to fraction form
   123,210.84/184,788.37 = 56,586.92/x
3. Step 3: Cross multiply
   123,210.84x = 184,788.37 × 56,586.92
4. Step 4: Simplify right side
   123,210.84x = 10,456,604,710.12
5. Step 5: Solve for x
   x = 10,456,604,710.12/123,210.84
6. Step 6: Final answer
   x = 84,867.57