Finding the Fourth Proportional to 123,253.35, 184,536.59 and 78,770.31

Step by Step Solution

1. Step 1: Write the proportion equation
   123,253.35 : 184,536.59 = 78,770.31 : x
2. Step 2: Convert to fraction form
   123,253.35/184,536.59 = 78,770.31/x
3. Step 3: Cross multiply
   123,253.35x = 184,536.59 × 78,770.31
4. Step 4: Simplify right side
   123,253.35x = 14,536,004,006.79
5. Step 5: Solve for x
   x = 14,536,004,006.79/123,253.35
6. Step 6: Final answer
   x = 117,935.98