Finding the Fourth Proportional to 122,994.30, 184,437.45 and 56,412.30

Step by Step Solution

1. Step 1: Write the proportion equation
   122,994.30 : 184,437.45 = 56,412.30 : x
2. Step 2: Convert to fraction form
   122,994.30/184,437.45 = 56,412.30/x
3. Step 3: Cross multiply
   122,994.30x = 184,437.45 × 56,412.30
4. Step 4: Simplify right side
   122,994.30x = 10,404,540,760.64
5. Step 5: Solve for x
   x = 10,404,540,760.64/122,994.30
6. Step 6: Final answer
   x = 84,593.68