Finding the Fourth Proportional to 123,098.61, 184,406.89 and 109,709.62

Step by Step Solution

1. Step 1: Write the proportion equation
   123,098.61 : 184,406.89 = 109,709.62 : x
2. Step 2: Convert to fraction form
   123,098.61/184,406.89 = 109,709.62/x
3. Step 3: Cross multiply
   123,098.61x = 184,406.89 × 109,709.62
4. Step 4: Simplify right side
   123,098.61x = 20,231,209,827.28
5. Step 5: Solve for x
   x = 20,231,209,827.28/123,098.61
6. Step 6: Final answer
   x = 164,349.62