Finding the Fourth Proportional to 184,314.84, 276,462.54 and 90,789

Step by Step Solution

1. Step 1: Write the proportion equation
   184,314.84 : 276,462.54 = 90,789 : x
2. Step 2: Convert to fraction form
   184,314.84/276,462.54 = 90,789/x
3. Step 3: Cross multiply
   184,314.84x = 276,462.54 × 90,789
4. Step 4: Simplify right side
   184,314.84x = 25,099,757,544.06
5. Step 5: Solve for x
   x = 25,099,757,544.06/184,314.84
6. Step 6: Final answer
   x = 136,178.71