Finding the Fourth Proportional to 184,287, 254,328.78 and 103,722.12

Step by Step Solution

1. Step 1: Write the proportion equation
   184,287 : 254,328.78 = 103,722.12 : x
2. Step 2: Convert to fraction form
   184,287/254,328.78 = 103,722.12/x
3. Step 3: Cross multiply
   184,287x = 254,328.78 × 103,722.12
4. Step 4: Simplify right side
   184,287x = 26,379,520,238.61
5. Step 5: Solve for x
   x = 26,379,520,238.61/184,287
6. Step 6: Final answer
   x = 143,143.68