Finding the Fourth Proportional to 123,037.92, 184,349.52 and 81,358.56

Step by Step Solution

1. Step 1: Write the proportion equation
   123,037.92 : 184,349.52 = 81,358.56 : x
2. Step 2: Convert to fraction form
   123,037.92/184,349.52 = 81,358.56/x
3. Step 3: Cross multiply
   123,037.92x = 184,349.52 × 81,358.56
4. Step 4: Simplify right side
   123,037.92x = 14,998,411,483.89
5. Step 5: Solve for x
   x = 14,998,411,483.89/123,037.92
6. Step 6: Final answer
   x = 121,900.72